Book/special publication

1. A. Agarwal, B. Yadav, M. Nema, M. Sharma and A. Kumar , “Towards Water Circular Economy”, Proceedings of the Responsible Water Management and Circular Economy (RWC) 2024, Springer Proceedings in Earth and Environmental Science, p198, https://doi.org/10.1007/978-3-031-60436-2
2. Kumar A, Arora P, Jain H, Sharma AK, Bhosale AC, Rakshit D and Singh R; “Advanced grid-scale energy storage technologies”, A study for India, October 2023.
3. Arora, N., Kumar, A., & Singal, S.K. "Quantifying Sediment Size and Shape Using SEM and ImageJ-Based Approach for Sediment Management in Hydropower Plants", In: Hodge, BM., Prajapati, S.K. (eds), Lecture Notes in Civil Engineering, Springer, Vol 391, (2024), https://doi.org/10.1007/978-981-99-6616-5_30
4. Arora, N., Kumar, A. and Singal, S.K. (2025). Assessment of Suspended Sediment Properties and Particle Load for Optimal Operation of Hydropower Plants in the Himalayan Region. In Water Resources Management in Mountain Regions (eds V.B. Singh, S. Madhav, R.K. Gupta, P. Diwan and A. Kumar). https://doi.org/10.1002/9781394249619.ch4
5. Prajapati, SK, Kumar, A, Chand, N, Kumar, M, and Sharma, MP (2023), “Guidelines for constructed wetland systems for treatment of sewage in India” Dept. of Hydro and Renewable Energy, Indian Institute of Technology Roorkee, Aug 2023
6. Harish, V. S. K. V., Sant A V, & Kumar A (2022). Renewable Energy Integration with Building energy systems, CRC Press, London, ISBN 9781003211587, DOI:10.1201/9781003211587 
7. Kumar Arun (2022), Chapter 5 - Hydropower–Basics and its role in achieving energy sustainability for the developing economies, Renewable Energy and Sustainability, Prospects in the Developing Economies, 2022, Pages 107-134, https://doi.org/10.1016/B978-0-323-88668-0.00014-0
8. Roorkee Water Conclave 2022: Indian Institute of Technology Roorkee & National Institute of Hydrology Roorkee, Roorkee Water Conclave 2022 - Water Security for Sustainable Development, March 02 – 04, 2022
9. Kumar, Arun (2022) Small Hydro. In: Letcher, Trevor M. (eds.) Comprehensive Renewable Energy, Second Edition, vol. 6, pp. 30–64. Oxford: Elsevier. https://doi.org/10.1016/B978-0-12-819727-1.00070-4
10. Khan, F., Kumar, A. (2022). Numerical Investigations on the Pelton Turbine Jet. In: Tadepalli, T., Narayanamurthy, V. (eds) Recent Advances in Applied Mechanics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-9539-1_34
11. Arun Kumar and  Kirti Goyal,  Chapter 2 Water reuse in India: Current perspective and future potential, Advances in Chemical Pollution, Environmental Management and Protection, Volume 6 # 2020 Elsevier, pp 33-63, ISSN 2468-9289, https://doi.org/10.1016/bs.apmp.2020.07.011.
12. Roorkee Water Conclave 2020: Indian Institute of Technology Roorkee & National Institute of Hydrology Roorkee, Roorkee Water Conclave 2020 - Hydrological Aspects of Climate Change, Feb 26 – 28, 2020
13. Harish, V. S. K. V. & Kumar Arun (2020). Building energy control with comfort optimization for energy efficient smart buildings. In Green Innovation, Sustainable Development, and Circular Economy, Green Engineering and Technology: Concepts and Applications Series, CRC Press, USA, ISBN 9780367441746, (In Press).
14. Kumar Arun, Water Conservation Technologies Chapter in Hydraulic Rubber Dam Book, Applied Science Publishers, Elsevier, 2019, p 131, Oxford UK. (Invited)
15. Kumar Arun and Shahid Ul Islam, Inflation and deflation of rubber dam Chapter in Hydraulic Rubber Dam Book, Applied Science Publishers, Elsevier, 2019, p 131, Oxford UK. (Invited)
16. Kumar Arun and Shahid Ul Islam, Life Cycle Assessment of Rubber dam Chapter in Hydraulic Rubber Dam Book, Applied Science Publishers, Elsevier, 2019, p 131, Oxford UK. (Invited)
17. Guideline for preparation of DPRs for works of interception and diversion of drains and sewage treatment plants”, National Mission for Clean Ganga, Ministry of Water Resources, River Development &Ganga Rejuvenation, Govt. of India, New Delhi, June 2018.
18. J. Dhillon, A. Kumar and SK Singal, “An Approach for Wind-Pumped Storage Plant Scheduling Under Uncertainty”, Book Chapter No. 8, Application of Geographical Information Systems and Soft Computation Techniques in Water and Waste Water Based Renewable Energy Problems, Springer Nature Singapore Pte Ltd., 1st Edition, XIX, pp. 167-190, 2018.
19. Tak S., Kumar A., (2017), Trihalomethanes Occurrence in Chlorinated Treated Effluents at Sewage Treatment Plants of North-Indian Region. In: Kalamdhad A., Singh J., Dhamodharan K. (Eds.) Advances in Waste Management. Springer, Singapore pp 279-288 
20. Kumar, A., “Policies for Hydropower development in India”, Chapter in book on Advances in Solar Energy Science and Engineering, Vol. 4 (2017) : 283-338, Editors : H. P. Garg, S. K. Singh and T. C. Kandpal Today & Tomorrow’s Printers and Publishers, New Delhi (Invited)
21. Kumar, A., “Benchmark cost for small and large hydropower projects” sponsored by Ministry of New and Renewable Energy, AHEC IIT Roorkee, August 2015.
22. Proceeding of International Conference on Hydropower for Sustainable Development, Dehradun, Feb 05-07, 2015, pp 568.
23. Proceedings on National Workshop on Developing an Strategy for Education and Vocational Training for the Renewable Energy Sector in India at New Delhi, Aug 22, 2014, pp 44.
24. National Standards/Manuals/Guidelines for SHP Projects 2013
    • General 1.1- Small hydropower definitions and glossary of terms, list and scope of different Indian and international standards/guidelines/manuals
    • General 1.2 and 2.1 - Planning and Layouts
    • General 1.3 - Project hydrology and installed capacity
    • General 1.4 - Reports preparation: reconnaissance, pre-feasibility, feasibility/ detailed project report and as built report
    • General 1.5 - Project cost estimation
    • General 1.6 - Economic and financial analysis and tariff determination
    • General 1.7 - Model contracts for execution and supplies of civil and E&M works
    • General 1.8 - Project Management of Small Hydroelectric Projects
    • General 1.9 - Environment Impact Assessment
    • General 1.10 - Performance evaluation of small hydro power plants
    • General 1.11 – Renovation, Modernization and Uprating
    • General 1.12 - Site Investigations
    • Civil Works 2.2 & 2.3 - Hydraulic and Structure design
    • Civil Works 2.4 - Maintenance of civil works (including hydro-mechanical)
    • Civil Works 2.5 - Technical specifications for Hydro Mechanical Works
    • Electro Mechanical works 3.1 - Selection of Turbine and Governing System
    • Electro Mechanical works 3.2 - Selection of Generator and Excitation systems
    • Electro Mechanical works 3.3 – Design of switchyard and selection of equipment, main SLD and layout
    • Electro Mechanical works 3.4 – Selection of Control, Automation, Protection and Monitoring system
    • Electro Mechanical works 3.5 – Design of Auxiliary systems and selection of equipments
    • Electro Mechanical works 3.6 - Technical Specifications for procurement of generating equipments
    • Electro Mechanical works 3.7 - Technical Specifications for procurement of auxiliaries
    • Electro Mechanical works 3.8 - Technical Specifications for procurement and installation of switchyard equipment
    • Electro Mechanical works 3.9 - Technical Specifications for procurement of control, automation, protection and monitoring systems
    • Electro Mechanical works 3.10 - Power Evacuation and Interconnections with Grid
    • Electro Mechanical works 3.11 - Operation and maintenance
    • Electro Mechanical works 3.12 Erection, Testing and Commissioning
25. Sustainable Energy in Asia and the Pacific – Emerging Technologies and Research Priorities, Academy of Science Malaysia, ICSU Regional Office for Asia and the Pacific, Kuala Lumpur, 2010. Chapt 6 Hydropower
26. Small Hydropower – Initiative and Private Sector Participation (Edition 1 in 1997, Edition 2 in 2001, Edition 3 in 2003).
27. Guidelines For Preparation Of Project Reports Under National River Conservation Plan And National Ganga River Basin Authority, Ministry Of Environment & Forests, National River Conservation Directorate, New Delhi,  Dec 2010.
28. HK Verma & Arun Kumar; “Performance Testing of SHP Stations: A Guide for Developers, Manufacturers and Consultants”, Dec 2009.
29. Kumar Arun presented as Anon ((2009): Status Paper on Ganga, National River Conservation Directorate, Ministry of Environment and Forest, Govt of India 31 p. Aug 2009
30. Arun Kumar ,”Renewable energy for Industrial application- A case study of India”, A chapter on small hydro, UNIDO, Vienna May 2007
31. Compendium Of The Expertise And Facilities Of Member Organisations; Water For Welfare – An Uttarakhand Initiative” Virtual Centre Of Excellence In The Form Of Federation Of Existing Institution For Leveraging Hydro/ Power/ Water Resources In Uttarakhand; April 2009
32. Special  publication on Water Policy and Water Conservation, Water For Welfare – An Uttarakhand Initiative” Virtual Centre Of Excellence In The Form Of Federation Of Existing Institution For Leveraging Hydro/ Power/ Water Resources In Uttarakhand, March 2008
33. Special publication on Hydro Power Policies and Guidelines, Water For Welfare – An Uttarakhand Initiative” Virtual Centre Of Excellence In The Form Of Federation Of Existing Institution For Leveraging Hydro/ Power/ Water Resources In Uttarakhand, March 2008.
34. Special  publication on Impact of Tehri Dam – Lessons Learnt, Water For Welfare – An Uttarakhand Initiative” Virtual Centre Of Excellence In The Form Of Federation Of Existing Institution For Leveraging Hydro/ Power/ Water Resources In Uttarakhand, March 2008.
35. Syllabi of Additional Courses for Leveraging Rich Potential of Water and Hydro Resources in Uttaranchal”, Oct. 2006.
36. “Micro hydro Quality standard”, AHEC IIT Roorkee, Sept 2005
37. Report of Zonal Plan Activities, Vol I_ main report, Vol II Thematic Maps and Vol III Regional Flow duration models, AHEC IIT Roorkee April 2002
38. Prepared the draft and final version of the guidelines for Bureau of Indian Standard on the "Preliminary dimensions of small, mini & micro hydro power station and selection of turbines"(draft) as an alternate member of committee on hydropower stations. (Published IS 12800 (part 3):1991).
39. Special Issue on Small Hydro- Urja Bharati, Journal of Ministry of Non-Conventional Energy Sources as Convener of Publication Advisory Committee (Aug. 1992).

Journal Peer reviewed Publication

1. Kirti Goyal & Arun Kumar (26 Mar 2025): Establishment of determinants to influence community acceptance towards water reuse in India, African Journal of Science, Technology, Innovation and Development, DOI: 10.1080/20421338.2025.2471114
2. A. Singhal, P. Arora, A. Kumar, H. Jain, A.K. Sharma, A.C. Bhosale, R. Singh, S.K. Saini, D. Rakshit, A.K.S. Parihar, S. Arora, Integrated life cycle assessment and techno-economic analysis of grid-scale energy storage alternatives for India, Sustainable Production and Consumption, Volume 54, 2025, Pages 404-422, ISSN 2352-5509, https://doi.org/10.1016/j.spc.2025.01.011.
3. Rode, B. R., Kumar, A., Segoufin, C., & Laurant, Y. (2025). Investigation of rotor-stator interaction and vortex rope in the high-head variable speed reversible pump-turbine operating at minimum head. Physics of Fluids, Volume 37, Issue 3, p. 035108. DOI: https://doi.org/10.1063/5.0253717
4. Arya, S., & Kumar, A. (2024). Green Infrastructure for Sustainable Stormwater Management in an Urban Setting Using SWMM-Based Multicriteria Decision-Making Approach. Journal of Hydrologic Engineering, 29(1), 04023044, https://doi.org/10.1061/JHYEFF.HEENG-6080
5. Arora, N., Kumar, A., & Singal, S. K. (2024). Spatial Variation in Hydrosedimentary Characteristics of the Alaknanda River Basin in the Indian Himalayas: A Field Study. Journal of Irrigation and Drainage Engineering, 150(3), 06024001, https://doi.org/10.1061/JIDEDH.IRENG-10237
6. Rode, B. R., & Kumar, A. (2024). Effects of vortex rope formation in draft tube of reversible pump-turbine–A review. Journal of Energy Storage, Volume 99(A), p. 113250. DOI: https://doi.org/10.1016/j.est.2024.113250
7. Arora, N., Kumar, A., & Singal, S. K. (2024). Spatial variation of suspended sediment properties in the Sutlej river basin of Indian Himalayas. Acta Geophysica, 1-18, https://doi.org/10.1007/s11600-024-01322-6
8. Arya, S., & Kumar, A. (2024). Green Infrastructure for Sustainable Stormwater Management in an Urban Setting Using SWMM-Based Multicriteria Decision-Making Approach. Journal of Hydrologic Engineering, 29(1), 04023044, https://doi.org/10.1061/JHYEFF.HEENG-6080
9. Bhushan R. Rode and Arun Kumar (2024) "Rotor–stator interaction investigations in variable speed reversible pump-turbine at higher head", Physics of Fluids, 36 (3)
10. Jhankal NK, Kumar A (2024), “Experimental Investigations of Pressure Fluctuations in Low-Head Francis Turbine Model”, Proceedings of the Institution of Mechanical Engineers, Part A. 2024; 238(8):1321-1337. doi:10.1177/09576509241272804
11. Jhankal N K, Kumar A (2024), “Evaluation of Uncertainties in Pressure Fluctuations Measurement on Low-Head Francis Turbine Model During Part-Load Operation”. Measurement Science and Technology 35:025303. https://doi.org/10.1088/1361-6501/ad0d75
12. Jhankal N K, Kumar A, Mangla M; Establishment of correlation for the pressure fluctuations on the low-head Francis turbine in the draft tube cone from the model test, Flow Measurement and Instrumentation 91 (2023) 102360, https://doi.org/10.1016/j.flowmeasinst.2023.102360, March 2023 
13. Bhushan R. Rode and Arun Kumar. (2023) "Unstable pressure fluctuations in the vaneless space of high-head reversible pump-turbines – A systematic review", Journal of Energy Storage, 72
14. Kumar, A., Goyal, K., & Pande, P. K. (2023). Insights for lake restoration and water supply management in hilly regions. Lakes & Reservoirs: Research & Management, 28, e12427. https://doi.org/10.1111/lre.12427
15. Arora, N., Kumar, A. & Singal, S. K. (2023). Matrix flushing approach-based sediment mineralogical composition of Bhagirathi river basin in Indian Himalayas, Journal of Environment, Development and Sustainability, pg. 1-16, https://doi.org/10.1007/s10668-023-04005-2
16. Firoz Khan, Arun Kumar, and Thomas Staubli. "Measurement of the jet deflector torque for model Peltonturbine and associated uncertainties in test rig development." Measurement Science and Technology 34, no.12 (2023): 125302. 
17. Arya, S., Kumar, A. (2023) “Evaluation of stormwater management approaches and challenges in urban flood control.” Urban Climate. Elsevier. 51. https://doi.org/10.1016/j.uclim.2023.101643
18. Arya, S., Kumar, A. (2023). “AHP GIS-aided flood hazard mapping and surface runoff estimation in Gurugram, India.” Natural Hazards. Springer. 117: 2963–2987. https://doi.org/10.1007/s11069-023-05973-4
19. Jhankal N. K. and Kumar, A., “Evaluation of Uncertainties in Pressure Fluctuations Measurement on Low-Head Francis Turbine Model During Part-Load Operation, Journal of Measurement Science and Technology, Volume 35, Number 2, 025303, https://doi.org/10.1088/1361-6501/ad0d75.
20. Akshita Gupta, Arun Kumar, 2022. Two-step daily reservoir inflow prediction using ARIMA-machine learning and ensemble models, Journal of Hydro-environment Research, Volume 45, 2022, Pages 39-52, ISSN 1570-6443, https://doi.org/10.1016/j.jher.2022.10.002
21. Kirti Goyal, Arun Kumar, 2022. A comprehensive view of existing policy directives and future interventions for water reuse in India. Water Policy 1 July 2022; 24 (7): 1195–1207. doi: https://doi.org/10.2166/wp.2022.073
22. Ali Abbas, Arun Kumar, 2022. Optimisation of Francis turbine draft tube using response surface model, Progress in Computational Fluid Dynamics, An International Journal, 2022 Vol.22 No.6, pp.343 – 359, DOI: 10.1504/PCFD.2022.10052391
23. Arora, N., Kumar, A., Singal, S.K., 2022. Technological advancement in measurements of suspended sediment and hydraulic turbine erosion. Measurement 190, 110700.https://doi.org/10.1016/j.measurement.2022.110700
24. Kumar A., Dhiman S.K. and Sharma N.K., 2022. Benchmarking the operational and financial performance of hydro plants, Hydropower & Dams, 29(1), 42 – 51. https://www.hydropower-dams.com/articles/benchmarking-the-operational-and-financial-performance-of-hydro-plants/
25. Kumar A., Panda DMR, Saha H., Singh S., Gupta A. and Dash PP, 2021. Floating PV in India: Progress, Challenges and Opportunities, International conference “Solar-Hydro 2021”, July 07 – 08, 2021 organised by International Journal of Hydropower & Dams and ICOLD, https://www.hydropower-dams.com/solar-hydro/
26. Gupta, A., Kumar, A. and Boopathi, K. (2021). Intraday wind power forecasting employing feedback mechanism. Electric Power Systems Research. 201. https://doi.org/10.1016/j.epsr.2021.107518 
27. Goyal, K., & Kumar, A. (2021). Development of water reuse: a global review with the focus on India. Water Science and Technology. 84 (10-11): 3172-3190. https://doi.org/10.2166/wst.2021.359
28. Rajesh Kumar & Arun Kumar (2021) Optimal scheduling of variable speed pumped storage, solar and wind energy system, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, DOI: 10.1080/15567036.2021.1892243
29. Rajesh Kumar & Arun Kumar (2020) Optimal scheduling for solar wind and pumped storage systems considering imbalance penalty, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, DOI: 10.1080/15567036.2020.1841854
30. Manish Kumar, Arun Kumar and Rajesh Gupta, degradation analysis of different photovoltaic technologies on experimentally simulated water bodies and estimation of evaporation loss reduction, Photovoltaics: Research and Applications, John Wiley & Sons, Ltd., 2021, pp 357–378, DOI: 10.1002/pip.3370
31. Arun Kumar and Kirti Goyal, Global Perspectives On Water Reuse: North America and India, Journal American Water Works Association, October 2020 pp 62-68.
32. Kumar R and Kumar A, “Optimal scheduling for solar wind and pumped storage systems considering imbalance penalty, Energy Sources, Part A: Recovery, Utilization, And Environmental Effects, https://doi.org/10.1080/15567036.2020.1841854
33. Kirti Goyal and Arun Kumar, Multi‐criteria analysis to identify the factors affecting water reuse scheme in India, Water and Environment Journal, Wiley, 24 September 2020, doi:10.1111/wej.12642
34. Anant Kumar Rai, Arun Kumar, Thomas Staubli and Xiao Yexiang, “Interpretation and application of the hydro-abrasive erosion model from IEC 62364 (2013) for Pelton turbines”, Renewable Energy 160 (2020) 396-408.
35. Garg R.K., Kumar A., (2020), Experimental and numerical investigations of water hammer analysis in pipeline with two different materials and their combined configuration. Int. Journal of Pressure Vessels and Piping. Vol. 188, pp. 1-11. DOI: https://doi.org/10.1016/j.ijpvp.2020.104219
36. Kirti Goyal and Arun Kumar, A modelling approach to assess wastewater reuse potential for Delhi city, May 2020, , water supply, International Water Association https://doi.org/10.2166/ws.2020.080
37. Singh, P., Kumar, A. & Mishra, S. Performance evaluation of conservation plan for freshwater lakes in India through a scoring methodology. Environ Dev Sustain (2020), April 2020 Springer https://doi.org/10.1007/s10668-020-00744-8
38. Rai, A. K., Kumar, A. and Staubli T. (2020), Effect of concentration and size of sediments on hydro-abrasive erosion of Pelton turbine, Renewable Energy 145, 893-902
39. Anant Kumar Rai and Arun Kumar (2019); Determination of the particle load based on detailed suspended sediment measurements at a hydropower plant, International Journal of Sediment Research, Volume 34, Issue 5, October 2019, Pages 409-421,
40. Akshita Gupta, Arun Kumar, Dheeraj Kumar Khatod; Optimized scheduling of hydropower with increase in solar and wind installations, Energy, Volume 183,  15 September 2019, Pages 716-732,
41. M. Kumar and A. Kumar, “Performance Assessment of Different Photovoltaic Technologies for Canal-Top and Reservoir Applications in Subtropical Humid Climate”; IEEE Journal of Photovoltaics, Vol. 9, No. 3, May 2019, pp 722–732.
42. M. Kumar and A. Kumar.(2019) Experimental Characterization of the Performance of Different Photovoltaic Technologies on Water-bodies. Progress in Photovoltaics: Research and Applications, 1, pp. 25-48
43. M. Kumar and A. Kumar, 2019. Performance Assessment of Different Photovoltaic Technologies for Canal-Top and Reservoir Applications in Subtropical Humid Climate. IEEE Journal of Photovoltaics, 9, pp. 722-732.
44. M. Kumar and  A. Kumar, 2019. Experimental validation of performance and degradation study of canal-top photovoltaic system. Applied Energy, 243, June 2019, pp. 102-118.
45. Rai, A. K., Kumar, A. and Staubli T. (2019) “Analytical modelling and mechanism of hydro-abrasive erosion in Pelton buckets”, Wear, Volumes 436–437, 203003
46. Rai, A. K., Kumar, A. and Staubli T. (2019), “Financial analysis for optimization of hydropower plants regarding hydro-abrasive erosion: A study from Indian Himalayas”; 29th IAHR Symposium on Hydraulic Machinery and System, Earth and Environmental Science 240 (2019) 022025, doi:10.1088/1755-1315/240/2/022025
47. Arun Kumar, R. P. Saini, B.K. Gandhi, R.K. Srivastava, Pradeep Chandra and A.K. Dubey, “Experiences in Discharge Measurements at Small Hydropower Stations in India”, Flow Measurement and Instrumentation, Special Issue, Measuring Hydro Power Plants, Elsevier, (Accepted)
48. Abbas, A. and Kumar, A., 2019, "Evaluation of uncertainty in flow and performance parameters in Francis turbine test rig." International Journal of Flow Measurement and Instrumentation, Vol. 65, pp. 297-308.
49. Rai, A. K., Kumar, A. and Staubli T. (2019) “Optimization of hydropower plants regarding hydro-abrasive erosion” International Journal of Fluid Machinery and Systems, Volume 10, No. 2 (April-June), pp. 146-153.
50. Experimental characterization of the performance of different
51. photovoltaic technologies on water bodies
52. Epari Ritesh Patro, Thomas J. Voltz, Arun Kumar & Thomas Grischek (2018): Micro-hydropower in drinking water gravity pipelines: a case study in Uttarakhand, India, ISH Journal of Hydraulic Engineering, DOI: 10.1080/09715010.2018.1492977, 11 page.
53. Rai, A. K. and Kumar, A. (2017) Sediment monitoring for hydro-abrasive erosion: A field study from Himalayas, India, International Journal of Fluid Machinery and Systems 10 (2), 146-153
54. Rai, A. K., Kumar, A. and Staubli T. (2017) Hydro-abrasive erosion in Pelton buckets: Classification and field study, Wear, 392, 8-20.
55. M. Kumar and A. Kumar, 2017. Performance assessment and degradation analysis of solar photovoltaic technologies: A review. Renewable and Sustainable Energy Reviews, 78, pp.554-587.
56. M. Kumar and A. Kumar, 2017. An efficient parameters extraction technique of photovoltaic models for performance assessment. Solar Energy, 158, pp.192-206.
57. A. Kumar and M. Kumar, 2017. Solar energy in irrigation. Journal of Indian Water Resources Society, 37, pp. 13-20.
58. Kumar Arun, Gandhi B. K. and Kulkarni Praveen Kumar (2017), “Effect of Misalignment of Penstocks on Head Loss”, ASCE, J. Pipeline Syst. Eng. Pract., 2017, 8(4): -1—1.
59. Harish, V. S. K. V., & Kumar, A. (2016). A review on modelling and simulation of building energy systems. Renewable and Sustainable Energy Reviews, 56, 1272-1292.
60. Kumar Arun, “Ignored value of Small hydro power projects”, Energy Next, New Delhi, March 2017, pp 25 – 29.
61. Rai, A. K. and Kumar, A. (2016) “Analyzing hydro abrasive erosion in Kaplan turbine: A case study from India”, Journal of Hydrodynamics, Volume 28, Issue 5, pp 863–872
62. Mohit Chaudhary M, Saurabh Mishra S and Kumar A, Estimation of Water Pollution and Probability of Health Risk Due to Imbalanced Nutrients in River Ganga, India, International Journal of River Basin Management, DOI: 10.1080/15715124.2016.1205078
63. Shahid ul Islam and Arun Kumar; Inflatable Dams For SHP Projects, Renewable & Sustainable Energy Reviews, 57 (2016), pp. 945-952
64. Singh Gurdeep and Kumar Arun;  Performance Evaluation Of Desilting Basins Of Small Hydro Power Projects; ISH Journal of Hydraulic Engineering, Volume 22, Issue 2, 2016, pp 135 – 141
65. Harish VSKV and Kumar Arun; Reduced order modeling and parameter identification of a building energy system model through an optimization routine, Applied Energy 162 (2016) 1010–1023
66. Ali Abbas & Arun Kumar ,Development of draft tube in hydro-turbine: A review , International Journal of Ambient Energyn October 2015 , DOI:10.1080/01430750.2015.1111845
67. Rai, A. K. and Kumar, A. (2015) “Continuous Measurement of Suspended Sediment Concentration: Technological Advancement and Future Outlook”, Measurement, Volume 76, pp 209–227.
68. Singhal M. K., Arun Kumar, Optimum Design of Penstock for Hydro Projects, International Journal of Energy and Power Engineering, Vol. 4, No. 4, 2015, pp. 216-226.
69. Shahid ul Islam and Arun Kumar, Evaluation of Rubber Dams for SHP in India, Indian Journal of Science and Technology, Volume: 8, Issue: 28, pp 1-8, 2015, DOI: 10.17485/ijst/2015/v8i28/84090
70. Tomar N. and Kumar Arun, “Performance Analysis of Fish Passes at Hydraulic Structures Constructed on River Sutlej”, Water & Energy International Journal, Vol. 58, No. 2, May 2015, pp 51 - 61.
71. Pandey MK. and Kumar Arun, 2015 “Pumped Storage Hydropower in India for Integration of Intermittent Renewable Energy”, Water & Energy International Journal, Vol. 58, No. 3, June 2015, pp 49 - 57.
72. Harish VSKV and Kumar Arun, “Demand side management in India: Action plan, policies and regulations: Renewable and Sustainable Energy Reviews, 33(2014), pp 613–624
73. Javed Dhillon, Kumar Arun and Singal SK; “Stochastic approach for providing the operation of Wind and pumped storage under Deregulated Environment”, International Journal of Green Energy: Volume 13, Issue 1, 2016  (DOI: 10.1080/15435075.2014.909358)
74. Dhillon J, Kumar Arun and Singal SK; “Optimization methods applied for Wind–PSP operation and scheduling under deregulated market: A review, Renewable and Sustainable Energy Reviews 30 (2014) 682–700
75. Dhillon J, Kumar Arun and Singal SK; “Operation of Wind and Pumped Storage Plant under Deregulated Environment, W & E International (Renewable Energy Section), Water & Energy International, November 2012, pp 30 - 34.
76. Kawade S, Kumar A, Sharma M P. (2013), GHG emissions from hydropower reservoirs: Review on CO₂ and CH₄ emission measurements, International Journal of Applied engineering research, Vol 8, No 9, PP 84-90
77. Dhillon J, Kumar Arun and Singal SK; “Operation of Wind and Pumped Storage Plant under Deregulated Environment”, International Journal Water and Energy International, Nov 2012, Vol 69, Issue no. 11, pp  30 – 34.
78. REN21. 2012. Renewables 2012-Global Status Report: (Paris: REN21 Secretariat).  Arun Kumar: lead Topical Contributor for Hydropower pp 171 May 2012
79. Kumar, A., T. Schei, A. Ahenkorah, R. Caceres Rodriguez, J.‐M. Devernay, M. Freitas, D. Hall, Å. Killingtveit, Z. Liu, 2011: Hydropower. In IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation [O. Edenhofer, R. Pichs‐Madruga, Y. Sokona, K. Seyboth, P. Matschoss, S. Kadner, T. Zwickel, P. Eickemeier, G. Hansen, S. Schlömer, C. von Stechow (eds)], Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. (Invited)
80. Arvizu, D., A. Kumar, et al 2011: Technical Summary. In IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. (Invited)
81. IPCC, 2011: Summary for Policymakers. In: IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation, Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA. team of authors –Kumar A. (Invited)
82. Stubauer, I.,   Kumar, A., … and Moog, O. (2010) The Development of an Assessment System to Evaluate the Ecological Status of Rivers in the Hindu Kush-Himalayan Region: introduction to the special feature, Hydrobiologia, Volume 651, Number 1, September 2010 , pp 1-15.
83. Sharma M.P., Kumar Arun and Rajvanshi Shalini, “Assessment of Trophic State of Lakes: A Case of Mansi Ganga Lake in India”, J. of Hydro Nepal –Journal of Water, Energy and Environment, Issue No. 6, January 2010, 65-72
84. Saxena, Praveen, and Arun Kumar. "Small hydro power development in India."Ministry of New and Renewable Energy, Government of India, New Delhi (2007).
85. S. K. Singal, Kumar Arun, D. K. Agarwal, O. D. Thapar, and Manoj Arya,  “Implementation Of Dam Based Small Hydro Power Plant - A Case Study”, IEEMA Journal, XXVII (9), 58- 63 (Sept 2007) (invited)
86. M.P. Sharma, Shailendra Sharma, Vivek  Goel, Praveen Sharma & Kumar Arun, “ Water Quality Assessment of Behta River using Benthic Macroinvertebrates” Life Science Journal, 3 (4), 2006, pp 67-74.
87. Arun Kumar, “SHP-Potential, Technology and Environment”, SHP Development and Programme Worldwide, SHP NEWS, Autumn, 2003
88. Rees, G.H., Croker, M., Singhal, M.K., Saraf, A.K., Kumar Arun & Others, “Flow Regime Estimation of Small Hydropower Development in Himachal Pradesh”, J. Applied Hydrology, Vol. XV(2), 2002, pp 77-90.
89. Kumar Arun, “New technology for small hydropower projects”, J. of Power and River Valley Develop Vol. XLVIX 1999 pp 134-141. (Invited)
90. Kumar Arun, "Cost Effective Civil works as Applicable to Small Hydro Power" RN-SHP, Hangzhou Newsletter for Small Hydropower (Published in issue No. 1,1991).

Congress / Conference publications

1. Bhushan R. Rode, Arun Kumar, Claire Segoufin and Yann Laurant. (2023) "Numerical study of rotor-stator interaction in variable speed reversible pump-turbine in turbine mode at low head”, 4th IAHR Asian Working Group Symposium on Hydraulic Machinery and Systems, Kashgar, China  DOI 10.1088/1742-6596/2752/1/012073
2. Rode, B. R., & Kumar, A. (2024). Rotor-stator interaction and vortex rope in the reversible pump-turbine at off-design conditions in turbine mode. American Society of Mechanical Engineers, Volume 88124, p. V001T03A008, In Fluids Engineering Division Summer Meeting, July 15–17, 2024, Anaheim, California, USA. DOI: https://doi.org/10.1115/FEDSM2024-130493
3. Khan, F, Kumar, A, & Staubli, T. "Partial Jet Cutting and Torque Evaluation on Cut-In Jet Deflector for Pelton Turbine." Proceedings of the ASME 2024 Fluids Engineering Division Summer Meeting collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 18th International Conference on Energy Sustainability. Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC). Anaheim, California, USA. July 15–17, 2024. V001T03A023. ASME. https://doi.org/10.1115/FEDSM2024-136418
4. Arora, N., Kumar, A., Singal, S.K. (2024). Exploring the effects of operating time and sediment minerals on hydro abrasive erosion in Pelton turbine. IOP Conference Series: Earth and Environmental Science, Volume 1411, 32nd IAHR Symposium on Hydraulic Machinery and Systems 11/09/2024 - 14/09/2024 Roorkee, India. doi: 10.1088/1755-1315/1411/1/012045 
5. Rode, B. R., Kumar, A., Segoufin, C., & Laurant, Y. (2024). Numerical study of pressure fluctuation in vaneless space of variable speed reversible pump-turbine in turbine mode at maximum head. IOP Conference Series: Earth and Environmental Science, Volume 1411, p. 012028, In 32^nd IAHR Symposium on Hydraulic Machinery and Systems, September 11-14, 2024, Roorkee, India. DOI: 10.1088/1755-1315/1411/1/012028
6. Rode, B. R., & Kumar, A., Study of rotor-stator interaction in variable speed reversible pump-turbine in turbine mode at low head using CFD, In 28th Conference on Hydraulics, Water Resources, River and Coastal Engineering (Hydro-2023 International), December 21-23, 2023, Warangal, India.
7. Khan, F., Kumar, A., & Staubli, T., “Evaluation of forces on the needle for regulation of Pelton turbine injector” 4th IAHR Asian Working Group Symposium on Hydraulic Machinery and Systems, 12-16 August 2023 in Kashgar, China. DOI 10.1088/1742-6596/2752/1/012027
8. Khan, F., & Kumar, A. “Numerical investigation of turbulent flow in Pelton turbine water jet” presented at 28th International Conference on Hydraulics, Water Resources, River and Coastal Engineering. 20-22 December 2023 held at NIT Warangal. India
9. Kumar, A., "Hydropower Education and Training Experience", 8th International Conference and Exhibition on "Water Resources and Renewable Energy Development in Asia", Asia 2023, Malaysia, March 14 - 16, 2023
10. Khan, F., Kumar, A. (2022). Numerical Investigations on the Pelton Turbine Jet. In: Tadepalli, T., Narayanamurthy, V. (eds) Recent Advances in Applied Mechanics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-9539-1_34
11. Khan, F., Kumar, A, “Force-Torque Characterization of the Jet Deflector and Needle for control of Pelton turbine” 21st International Seminar on Hydropower Plants, Vienna Austria, 09-11 Nov. 2022 Viennahydro 2022. (presented)
12. Arora N, Kumar, A. and Singal S K 2022 Measurement of sediment particle size distribution and shape using dynamic imaging analysis, 31st IAHR International Symposium on Hydraulic Machinery (2022), Trondheim Norway, IOP Conf. Ser. Earth Environ. Sci. 1079
13. Kumar A., Panda DMR, Saha H., Singh S., Gupta A. and Dash PP, 2021. Floating PV in India: Progress, Challenges and Opportunities, International conference “Solar-Hydro 2021”, July 07 – 08, 2021 organised by International Journal of Hydropower & Dams and ICOLD, https://www.hydropower-dams.com/solar-hydro/
14. Arora, N., Kumar, A., & Rai, A. K. "Online Sediment Measurement Strategy for Hydro Power Plant". In, Book of Abstract: Measurements and Instrumentation in Hydraulic Engineering. 6th IAHR Europe Congress. pp. 137-138, Feb 15 -18, 2021, Warsaw, Poland, . doi:10.24425/136660
15. Arora N, Kumar, A., Singal SK (2021), Particle Size Distribution and Shape Analysis of Sediments in Himalayan Rivers, 39th IAHR World Congress, IAHR 2021, Spain
16. Gupta, A., Kumar, A. and Boopathi, K., “Day-ahead Wind Power forecasting using ARIMA and Wavelet-ARIMA models”, in World Sustainable Energy Days 2021 21-25 June 2021, Vienna, OÖ Energiesparverband, Austria.
17. V. S. K. V. Harish, Amit Vilas Sant and Arun Kumar, “Determining the Performance Characteristics of a White-Box Building Energy System Model and Evaluating the Energy Consumption”, springer proceedings, Advances in Clean Energy Technologies pp 605-615, May 2021
18. Arun Kumar, ‘Reinvigorating Hydropower’,  National Conference on Revival of Hydro Power Sector including Pumped Storage – Way Forward, CBIP, New Delhi Nov 29, 2019
19. Arun Kumar, Water Policy & Regulatory Framework with the focus on water reuse Debate: Perspectives from India & The United States of America, ACE19 Total water solutions, Dec 13-14, 20219 , Mumbai
20. Rai, A. K., Kumar, A. and Staubli T. (2019) “Financial analysis for optimization of hydropower plants regarding hydro-abrasive erosion: A study from Indian Himalayas”, 29th IAHR Symposium on Hydraulic Machinery and Systems – September 16-21, 2018 at Kyoto, Japan. Published in IOP Conf. Series: Earth and Environmental Science 240 (2019) 022025.
21. Goyal Kirti and Kumar Arun, “Wastewater Reclamation and Reuse in India: Review and Strategic issues, 12th IWA International Conference on Water Reclamation and Reuse, 16-20th June, 2019- Berlin, Germany pp114-120.
22. Rai, A. K., Kumar, A. and Staubli T. (2018) “Financial analysis for optimization of hydropower plants regarding hydro-abrasive erosion: A study from Indian Himalayas”, 29th IAHR Symposium on Hydraulic Machinery and Systems – September 16-21, 2018 at Kyoto, Japan, IAHR2018-152.
23. Pradeep Chandra, Arun Kumar, RP Saini and BK Gandhi,  “Comparative Discharge Measurement in Small Hydro Power Plants using different Methods”, IGHEM 2018, Beijing, Sept 10 – 13, 2018
24. RK Srivastava, Arun Kumar, BK Gandhi and RP Saini, “Experience With Ultrasonic Transit Time Flow Meter For Hydro Power Plant Efficiency Measurements”, IGHEM 2018, Beijing, Sept 10 – 13, 2018 
25. Rai, A. K., Kumar, A. and Staubli T. (2018) “Design and verification of a Pelton turbine rig for hydro-abrasive erosion testing”, Current Research in Hydraulic Turbine (CRHT-VIII’18) – March 20, 2018 at Turbine Testing Lab, Kathmandu University, Kathmandu, Nepal. http://www.ku.edu.np/ttl/images/CRHT-VIII/Papers/Anant.pdf
26. Harish, V.S.K.V.; Kumar, A; “Intelligent energy control and comfort management for energy efficient buildings”, WSED -2018 Young Energy Researchers Conference, Wels/Austria, Feb 28 - Mar 3, 2018 <Link>.
27. M. Kumar, A. Kumar, “Power Estimation of Photovoltaic System using 4 and 5-parameter Solar Cell Models under Real Outdoor Conditions”, 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC)(A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC), 2017, pp. 0721-0726.
28. Kumar Arun, “River Restoration for Water Availability, Aesthetic and Social Benefits”, International Conference on Ecosystem Responses to Global Environmental Changes and Their Impact (ERGECI), Feb 16 – 18, 2017 at Indore
29. Kumar Arun, Singal S.K., Shivamallu M.,  Kumaraswamy N., “RMU of hydro power stations in Karnataka”; Workshop on Renovation, Modernization, Uprating & Life Extension of Hydro Power Plant - Diverse Issues & Handling Strategies, New Delhi, Dec 2016
30. Kumar Arun, “Why and how: Renovation, modernization and uprating of hydro power plants”, Workshop on Renovation, Modernization, Uprating & Life Extension of Hydro Power Plant - Diverse Issues & Handling Strategies, New Delhi, Dec 2016
31. Kumar Arun, “Hydropower is also Clean Energy”, 86^th Annual Session of NASI & Symposium on Science, Technology and Entrepreneurship for Human Welfare in the Himalayan Region, Dec 02, 2016
32. Kumar Arun and Kumar Manish, “Solar Energy In Irrigation”, National workshop on Challengers in Irrigation Management for Food Security, Roorkee, Nov 2016.
33. Kumar Arun and Vaishali, “Cumulative Impact assessment of hydropower projects on the ecosystem”, International Conference Hydro2016 Hydropower & Dams at Montruex, Switzerland, Oct 2016
34. Kumar Arun, “Experience on Capacity Building for Hydro Power”, International Conference Hydro2016 Hydropower & Dams at Montruex, Switzerland, Oct 2016
35. Kumar Arun, “Hydropower, Environment and Environmental Flows”, 19^th International River Symposium, Delhi, Sept 2016
36. Rai A, Kumar A, Hies T and Nguyen H , Field application of a multi-frequency acoustic instrument to monitor sediment for silt erosion study in Pelton turbine in Himalayan region, India, 28th IAHR Symposium on Hydraulic Machinery and Systems, Grenoble, July 4-7, 2016
37. Rai AK, Kumar A and Staubli T,  Forces acting on particles in a Pelton bucket and similarity considerations for erosion, 28th IAHR Symposium on Hydraulic Machinery and Systems, Grenoble, July 4-7, 2016
38. Surbhi Tak and Arun Kumar, Trihalomethanes Occurrence in Chlorinated Treated Effluents at Sewage Treatment Plants of North-Indian Region, international conference "RECYCLE 2016" held at IIT Guwahati on 1-2 April,2016
39. Kumar Arun, “Energy Management Practices in Educational campus”, National Seminar on Renewable Energy, Conservation and Efficient Use of Electricity, Institution of Engineers, Roorkee, Feb 12-13, 2016
40. Kumar Arun; “Dynamics of Environmental Impact (including E-flows and longitudinal connectivity) and Mitigation Efforts”, India-Canada Workshop on Best Practices for Sustainable Hydro Development, CBIP, New Delhi, Jan 2016
41. Kumar Arun; “Hydropower Development in Today's Time: Changing Scenarios”, Seminar of Power Development in Karnataka, Karnataka Power Corporation Ltd., Bangalore, Jan 2016
42. Kumar Arun, “Policy and Governance for Energy and Environment  in River Ganga Basin”, National Seminar on  “R&D Perspective for Rejuvenation of River Ganga”, NIH Roorkee, December 2015
43. Kumar Arun; “Energy in the Indian Mountains”, India-ICIMOD Week 2015: Partnership for Sustainable Mountain Development, MoEF&CC, GBPIHED & ICIMOD, New Delhi, December 2015
44. Kumar, Arun; “River Ganga: Energy and Environment”, INDIA-UK Workshop on Future Ganga: Science Needs for Water Security,  Centre for Ecology and Hydrology UK, New Delhi, Dec, 2015
45. Kumar Arun; “Sustainable Development through Renewable Energy in North Eastern states: Opportunity and Barriers”, Industry-Academia Meet on Consultative cum Awareness Meeting on Renewable Energy Application at North East India and Interaction of Finishing students with Industry, Department of Energy, Tezpur, Assam, Nov 3-4, 2015 
46. Kumar Arun; “Pumped Storage Hydropower in India and its Integration with Renewable Energy”, Workshop on Pumped-storage Development and Integration of Renewable Energy, CEA, CBIP New Delhi, Oct 2015
47. Kumar Arun; “Issues and Challenges in Hydropower development”, Uttarakhand  Power Enclave 2015, CNFC Media, Dehradun, June 2015
48. Kumar Arun; Agarwal Abhishek, Bagga Aarushi and Sarda Manoj, “Solar Installation Initiatives in BEG & C Campus”, National Seminar of Defense Personnel, Bengal Engineer Group & Centre, Roorkee, April 2015
49. Rai Anant Kr., Kumar Arun and Staubli Thomas, “Developing A Test Rig to Measure Hydro-Abrasive Erosion in Pelton Turbine”, International Conference on Hydropower for Sustainable Development, Dehradun, pp 535 - 547, Feb 05-07, 2015
50. SK Singal, Arun Kumar, Vinit Kumar Singh, MS Verma and Abhilasha Jain, “Hydro Power Development in Arunachal Pradesh - Issues”, International Conference on Hydropower for Sustainable Development, Dehradun, pp 454-462, Feb 05-07, 2015.
51. Rai Anant Kr., Kumar Arun and Staubli Thomas, “An innovative approach to measure hydro-abrasive erosion in Pelton turbine”, International Conference on Environment and Energy (ICEE-2014) - December 15-17, 2014 at Hyderabad, India.
52. B.K. Gandhi*, A. Kumar and HK Verma, “Discharge And Efficiency Measurements In Bassi Hydro Power Station In India”, , International Conference on Hydraulic Efficiency Measurement (IGHEM-2014), University of Itzjuba, Brazil, Sept 16-19, 2014
53. Harish, V S K V and Kumar, A, "A simplified mathematical approach to develop a thermal model of building in MATLAB/Simulink," National conference on emerging trends in engineering science & technology (NCETEST), vol., no., pp.173, 29-30 March. 2014
54. Harish, V S K V and Kumar, A, "Planning and implementation strategy of Demand Side Management in India," Automation, Control, Energy and Systems (ACES), 2014 First International Conference, vol., no., pp.1,6, 1-2 Feb. 2014.
55. Kumar A and Sinvhal H., “Hydropower, Disaster and E-flows”, National symposium on “Eco-disasters in the Himalayas: Causes, Challenges and Management” organized by H.N.B. Garhwal University, Srinagar during Feb 15 – 16, 2014, Srinagar.
56. Kumar A., “Water Quality Monitoring in India” in the workshop “Integrated Water Management for Ganga Basin: A Workshop on Collaboration Avenues” organized by NMCG, MOEF, New Delhi, Feb 10 – 11, 2014, New Delhi
57. Harish VSKV and Kumar A., Techniques used to construct an energy model for attaining energy efficiency in buildings A Review, International Conference on Control, Instrumentation, Energy and communication, University of Calcutta, Kolkata, Jan 31 – Feb 02, 2014
58. Harish, V S K V and Kumar, A, "A nonlinear time invariant constrained optimization technique for parameter identification of a building energy model," Conference on Electronics Engineering and Computer Science (IEMCON), International Conference on, vol., no., pp.339-343, 2014.
59. Harish, V S K V and Kumar, A, "Development of an energy model of a building’s conditioned space equipped with a heating, ventilation and air conditioning system," Energy in Buildings (EinB), 2014 3rd International Conference on, pp.242-254, Nov. 2014, ISSN: 2241-9748.
60. Kumar A., International Best Practices” in the Conference on “Small Hydro in India - Issues and Opportunities”, Oct 25, 2013, Power Line at New Delhi
61. Kumar A., “E-flows: A Beginning is required”, workshop on Assessment of Environmental Flows, NIH Roorkee, Oct 02 – 03, 2013
62. Kumar A., “Geo-meteorological Analysis of the Event and Technological Needs” State level workshop on “Responsibility Sharing and Work Distribution on Uttarakhand Disaster – Lesson for Future planning in the Indian Himalayan Region” in FRI Campus, Dehradun on Sept 19, 2013.
63. Harish, V S K V and Kumar, A, "Managing electrical energy in buildings for energy conservation,"  National congress on science and technology, DAV Institute of Engineering & Technology Jalandhar Punjab, India, 30-31 May. 2013.
64. Kumar A., The role of small hydro in the Indian energy system,   Indo-Norwegian seminar: Renewable Energy Respecting Nature 7-8 May 2013, Mumbai
65. Swati Kawade, Kumar A and Sharma MP (2013). Contribution of CO2 and CH4 emissions through different Greenhouse gases emission pathways in total GHG emission from a tropical hydropower reservoir. Renewable energy respecting nature, Indo-Norwegian seminar, Mumbai, India 7-8 May 2013
66. Swati Kawade, Kumar A and Sharma MP (2013). Annual estimate of Green-House gases emissions (GHG) from a tropical reservoir in India. India water week, New Delhi, India 8-12 April 2013, Efficient water management: challenges and opportunities, pp 294
67. Dhillon J., Kumar A. and Singal S. K., Optimal Operation of Wind-PSP under Grid Connected Day ahead Market, IEEE International Conference on Research and Development prospects on Engineering and Technology, E.G.S Pillay Engineering college, Nagapattinam, Tamil Nadu, India, March, 2013.
68. Bhatt, Utsav,  Verma, H.K.; Kumar, A., Automation and remote control of volumetric calibrator using RS-485/MODBUS protocol, 2nd International Conference on Power, Control and Embedded Systems (ICPCES) Allahabad, 17-19 Dec. 2012, 10.1109/ICPCES.2012.6508038
69. Dhillon J, Kumar Arun and Singal SK; “Scheduling of Wind and Pumped storage plant under Day Ahead Market”, 17th International Seminar on Hydropower Plants – Pumped Storage in the Context of Renewable Energy Supply, Nov 2012, Vienna, pp  53 – 62.
70. Dhillon J, Kumar Arun and Singal SK; “Short term Wind-PSP Scheduling using MINLP approach”, 6th International Multi Conference on Intelligent System, Sustainable, New and Renewable Energy Technology and Nanotechnology (IISN-2012), Klawad, pp. 71-75, March 16-18 , 2012.
71. Kumar A, “Hydropower in Rural Development - Overview of solutions in India”  at  International symposium on “The Place of Water Power in the Renewable Energy Panel held during November 20 – 21, 2012, in Grenoble, France”. (Invited)
72. Kumar A, “Small Hydro Resource Assessment” ASEAN-India Workshop on Cooperation in New and Renewable Energy by Ministry of New and Renewable Energy on Nov 06, 2012 at New Delhi. (Invited)
73. Kumar A, “Small Hydro In India”, Indo Swiss Symposium on Renewable Energies and Rational Energy End-use held at EPFL, Lausanne, Switzerland from October 22 – 25, 2012. (Invited)
74. Kumar A, “Environmental and Social Impact of SHP Projects” in the Conference on “Small Hydro in India - Issues and Opportunities” during Oct 15 –16, 2012 at New Delhi (Invited)
75. Swati Kawade, Kumar A and Sharma MP (2012), “Methodologies use for GHG emissions from Tehri Hydropower reservoir”, International workshop for inter‐comparison of reservoir GHG flux measurement technologies, Beijing, China, hosted by Institute of remote sensing applications Chinese academy of science during 18-24 June 2012
76. Kumar, A  “Establishing The Role Small Hydro Can Play In Developing Countries Through Case Study Analysis”, 4th annual Small Hydro 2012 conference , 25th – 26th April 2012 in Toronto, Canada  (Invited)
77. Kumar, A, Challenges in carrying out CIA of hydropower projects: absence of data, Cumulative Impact Assessment of Hydropower Development in Nepal, March 12-13, 2012 , Kathmandu, Nepal (Invited)
78. Kumar, A, “Shp Development In India”,  National Seminar “Implementation of Hydro Projects through Private Participation” Jan 10, 2012, Pune, India (invited)
79. Kumar A, “Indian Experience in Micro/small hydro development”,  Regional Workshop on Micro Hydropower Development: Prospects & Challenges in South Asia September 12 - 14, 2011 in Kathmandu, Nepal( Invited)
80. Kumar Arun, Small Hydropower: Social and Environment service , presented at Second World Renewable Energy Technology Congress-2011, New Delhi Apr 21-23, 2011 (Invited)
81. Kumar Arun, “Challenges in Implementing Hydropower in India and Relevant Technology Development”, International Symposium on Energy Materials: Opportunities and Challenges, Kolkata, March 1-2, 2011(Invited)
82. Swati KM, Sharma MP and Kumar A, “Green-House Gas From Hydropower Reservoirs”, In proceedings of International Conference on Sustainable Water Resources Management and Climate Change Adaptation, organized by National Institute of Technology Durgapur, Durgapur (West Bengal), pp 405-420, Feb.17-19, 2011.
83. Saxena P, and Kumar A,  “Government of India Policy on Hydro Power Development”, International Conference on Hydraulic Efficiency Measurement (IGHEM-2010), Alternate Hydro Energy Centre, IIT Roorkee, Roorkee (India), pp.1-6, Oct. (21-23) 2010
84. Patil SS, Verma HK and Kumar A,  Efficiency Measurement of Hydro Machine by Thermodynamic Method, International Conference on Hydraulic Efficiency Measurement (IGHEM-2010), Alternate Hydro Energy Centre, IIT Roorkee, Roorkee (India), pp.181-189, Oct. (21-23) 2010.
85. Jain Sanjay, Saini R.P. and Kumar Arun, “CFD approach for prediction of efficiency of Francis Turbine”, International Conference on Hydraulic Efficiency Measurement (IGHEM-2010), Alternate Hydro Energy Centre, IIT Roorkee, Roorkee (India), pp.257-263, Oct. (21-23) 2010.
86. Shekhawat Kuldeep Singh, Saini R.P. and Kumar Arun, “Finite Element Method (FEM) Analysis of Silt Erosion in Small Hydro Turbine” National Seminar on Advancement of Renewable Energy, presented at Arya College of Engineering, Jaipur
87. Kumar Arun, “Hydropower : Sustainable Energy Hydropower”, World Renewable Energy Technology Congress-2010, 18– 20 March 2010, New Delhi (Invited)
88. Kumar Arun, “Introduction to Low Head Hydropower Technology and its' Potential”, Workshop on Low-Head Hydropower Development, Colombo Feb 18-20, 2010, (Invited)
89. HK Verma & Kumar Arun; “Performance Testing of SHP Stations: A Guide for Developers, Manufacturers and Consultants”, Dec 2009.
90. Kumar Arun, “Status of SHP Development In India”, National Seminar Hydro Power Stations- Advancement In Harnessing & Up-Keeping July 2 – 3, 2009, Dehradun (Invited)
91. Kumar Arun and Vinay Shankar, “SHP Development In India”, 5th Hydro Power for Today Forum, May 11-12 2009, Hangzhou, China
92. Kumar Arun, “Small Hydropower Development: Recent Indian Initiatives”, International Conference Water India-V, New Delhi (India) on 3-4 November, 2008, (Invited)
93. Kumar Arun and Vinay Shankar, “Preparation Of A Plan Of Interventions For Conservation Of Vembanad Lake, Kerala, India”,  International workshop on Sustainability of Lake Remediation and Interventions Hyderabad, India
94. Kumar Arun and Vinay Shankar, “Human Resource Development For Sustainable Remediation and Interventions”, International workshop on Sustainability of Lake Remediation and Interventions Hyderabad, India
95. Maity D, Sinvhal H and Kumar Arun, “Comprehensive Management Plan of Rabindra Sarovar, Kolkata” presented in International workshop on "Sustainability of Lake Remediation and Interventions", July 22-25, 2008, Hyderabad.
96. Gardiner D.J., Kumar A., et. al., 2008; Science Plan on Sustainable Energy, International Council for Science Regional Office for Asia and the Pacific Kuala Lumpur (Malaysia).
97. M.P.Sharma, Vivek Goel and Kumar Arun, “Water quality mapping of Kosi River using benthic macroinvertebrate” presented at “International conference on “Rivers in Hindu Kush-Himalaya: Ecology and Environmental assessment” held at Kathmandu, Nepal on March 03-07, 2008. (Invited)
98. M.P.Sharma & Kumar Arun, “Water Resources Management Strategies in India”, presented at “International conference on “Rivers in Hindu Kush-Himalaya: Ecology and Environmental assessment” held at Kathmandu, Nepal on March 03-07, 2008
99. Saxena P and Kumar Arun,, “Small Hydro Development In India”, Ministry of New and Renewable Energy, Special Publication on 25 years of Renewable Energy in India, Nov. 2007. (Invited)
100. Kumar Arun,, “Hypolimnic Withdrawal For Lake Conservation”,  World Lake Conference (Taal 2007) at Jaipur Oct 28-30, 2007 ( Key Note Address- Invited)
101. Kumar Arun,, H. K. Verma, Indian initiative to develop standards, guidelines and manuals for small Hydropower, International Conference on Small Hydropower Kandy, Sri Lanka,22-24 October 2007
102. J. D. Sharma, Kumar Arun,, M. K. Singhal, Real time digital simulator for small hydropower plants,  International Conference on Small Hydropower Kandy, Sri Lanka,22-24 October 2007
103. H. K. Verma, Kumar Arun, Performance testing and evaluation of small hydropower plants International Conference on Small Hydropower Kandy, Sri Lanka,22-24 October 2007
104. R. P. Saini, Kumar Arun, Water mills for multipurpose applications, International Conference on Small Hydropower Kandy, Sri Lanka,22-24 October 2007
105. Kumar Arun, SMALL HYDROPOWER DEVELOPMENT: Non-Fossil Energy for Sustainable development, 7th renewable energy, summit, Sept 12, 2007, New Delhi (invited)
106. Kumar Arun & Mk Singhal, Small Hydropower Development National Seminar On Recent Advances In Wind And Hydro Energy Generation September 20, 2007 Jammu (invited)
107. Kumar Arun, “Small Hydro Power: Growth, Prospects, Barriers And Mitigations”, Capacity Building Initiative Workshop For Financial Institutions In India To Address Risks And Barriers Associated With Re Projects, May 18-19, 2007, Mumbai (Invited)
108. Kumar Arun, “Training and Education in Small Hydropower and other Renewable Energy”, Strategy for Quality focused training in Renewable Energy and Distributed Generation in India, Feb 21, 2007, New Delhi. (Invited)
109. Kumar Arun, “Small Hydropower: Potential And Devlopmnet”, National Seminar On Hydropower: Harnessing The Untapped Potential,  January 04, 2007,  New Delhi (Invited)
110. Kumar Arun, “Small Hydro Power – Resource Assessment & Technology Development”, Workshop On India-Asean Cooperation In Renewable Energy 18-19 December 2006, New Delhi (Invited)
111. Kumar Arun & Verma HK, “Standards And Guidelines For Small Hydropower Development: The Indian Initiative”, International Himalayan Small Hydropower Summit, October 12-13, 2006, Dehradun
112. Saraf AK & Kumar Arun, “Spatial Technologies In Himalayan Small Hydropower Development”,  International Himalayan Small Hydropower Summit, October 12-13, 2006, Dehradun
113. Kumar Arun, “Some Specific Aspects Of Small Hydropower Projects For Consideration By Regulators”, International Himalayan Small Hydropower Summit, October 12-13, 2006, Dehradun
114. Saini RP & Kumar Arun, “Development Of Standard Water Mills In Uttaranchal”, International Himalayan Small Hydropower Summit, October 12-13, 2006, Dehradun
115. Kumar Arun, “Standards and Performance Testing of Small Hydropower” Workshop on “Development of Small, Mini & Micro Hydropower Plants – Challenges & Related Issues” 16th June,  2006, CBIP, New Delhi, (Invited)
116. Kumar Arun, “Sustainable Conservation of Lakes” National Consultation on Water Management in Fisheries and Aquaculture,  June 23-24, 2006, Pussa, New Delhi. (Invited)
117. Kumar Arun, M.K. Singhal, Sejal Kunchwar Small Hydro Power Projects – Issues, Constraints and Suggested Measures during Aug. 23-25, 2005, Shimla, Himachal Pradesh. (Invited), (Invited)
118. Kumar Arun, “DDG Technologies – Potential, Constraints, Application and Relevance to Uttaranchal”
119. Workshop on Renewable Based DDG From Commissioning to Viability, March 18, 2006, Dehradun. (Invited)
120. Kumar Arun, Small Hydropower - Untapped Potential, 5th ASSOCHAM Renewable Energy Summit on Commercialization of Renewable Energy Technologies, Aug. 25-26, 2005. (Invited)
121. Kumar Arun, Saini, R.P., Gandhi B.K., and Verma, H.K., “Performance Testing of Hydropower Stations: Need, Scope and Recommendations”, Conference on Development of Hydropower Projects – A Prospective Challenge, April 20-22, 2005, Shimla. (Invited)
122. Kumar Arun, “Small Hydropower: Option for Electricity Generation”, International Seminar on Non-conventional Energy, Renewables Energy Efficiency and Conservation”, Feb. 20-21, 2005, Thiruvananthapuram. (Invited)
123. Kumar Arun and Verma H.K., “Standards and Testing of Small Hydropower Stations”, International Congress on Renewable Energy, Jan. 20-22, 2005, Pune. (Invited)
124. Kumar Arun, “Existing Micro Hydro Standards and Quality Programmes in India”, South Asia Regional Workshop on Developing Standards for Micro-Hydro Sector, Colombo, Sri Lanka, Sept. 5-7, 2004. (Invited)
125. Verma, H.K. and Kumar Arun, “Instrument Networking for Efficiency Measurement in Small Hydro Power Stations”, international conference on Advances in Hydraulic Efficiency Measurements at Lucern, Switzerland, July 14-16, 2004. (Invited)
126. Kumar Arun, “Technical issues and design of structure for low head projects”, International seminar on Renewable Energy, June 10-12, 2004 at Colombo, Sri Lanka. (Invited)
127. Kumar Arun, “Small Hydropower in Hilly Regions” Presented at International Congress on “Renewable Energy for Sustainable Development”, Jan. 21-23, 2004 at Bangalore. (Invited)
128. Kumar Arun, “Small Hydropower Development - Potential and Rural Electrification”, Presented at Regional Seminar on “Small Hydropower”, Nov. 11-15, 2003 at Thiruvanathapuram, Kerala. (Invited) – also included in IREDA news (Jan. 2004).
129. Kumar Arun, “Rural Electrification: Small Hydro”, Presented at Round Table Meet on “US India Initiative for Hydropower Development”, April 14, 2003, New Delhi. (Invited)
130. Kumar Arun, “Distributed Generation : Technologies for Power Supply in Rural Areas” Presented at National Workshop on “Rural Electrification: Small Mini/Micro Hydel – Technology Overview” held on Jan. 24-25, 2003 at New Delhi (Invited)
131. Kumar Arun, “Small Hydropower Development Potential, Technology & Environment”, Presented at National Conclave on “Small Hydropower” held on July 18-19, 2002 at New Delhi. (Invited) – also included in IREDA news and SHP News (China)
132. Rees, G.H., Kumar Arun, Saraf, A.K., Singhal, M.K., “Application of Regional Flow Estimation method in the Himalayas”, 4th International Conference on FRIEND in Cape Town, South Africa, Mar. 18-22, 2002.
133. Kumar Arun, “Small Hydro Potential ans Prospects in India”, International Conference “Green Power 2002”, CII, Feb. 15-16, 2002, Chennai. (Invited)
134. Kumar Arun, Rees, G., Raghuvanshi, T.K., “Small Hydropower assessment through HP Software”, Annual International Conference Map India 2002, New Delhi, Feb. 6-8, 2002. (Invited).
135. Kumar Arun, “Selection of sites and low head turbines for Small hydro power development”, business meet on Small Hydro Power Projects 2000-2001, Hyderabad Dec. 14, 2000. (Invited)
136. Raghuvanshi AK and Kumar Arun, “GIS Based Assessment of Small Hydro Power Potential in Himachal Pradesh” National Seminar on small Hydro, Shimla, Dec. 09, 2000 (Invited).
137. Kumar Arun, “Small Hydro Power Potential in Uttarakhand Region” Seminar on Harnessing of Uttarakhand Resources for Development of the Himalayas, Dehradun, September 10, 2000. (Invited)
138. Kumar Arun, Testing and certification of Small Hydro Equipment national Conference on renewable energy, Indore Dec. 20-22, 2000. (Invited)
139. Kumar Arun and Singal SK, Low Head small hydro power development', national workshop, Chandigargh Jan. 17, 2000. (Invited)
140. Kumar Arun, "Assessment of Small Hydro Scheme in India", IEA Workshop on Review of Assessment Methodologies and Possible Improvements, Nice, France, Oct. 13-14, 1998. (Invited)
141. Kumar Arun, "Small Hydro Power - Technology R&D Areas", IEA Workshop at Nice, France, Oct. 13-14, 1998 .(invited)
142. Kumar Arun, "Small Hydro - A National Perspective", ANERT National Conference, Thiruananthapuram, Feb. 10-11, 1999. (Invited)
143. Kumar Arun, "Private Sector Participation in SHP Development in India - An Introspection", ANERT National Conference, Thiruananthapuram, Feb. 10-11, 1999.
144. Kumar Arun, "Reviving the Small Hydro Potential in Uttar Pradesh", National Seminar on Development Needs of Uttarakhand Region", Dehradun, Feb. 20-22, 1999. (Invited)
145. Kumar Arun, "Small Hydro Schemes in Hilly Areas with Limited Hydrological Data", International Symposium on "Hydrology of ungauged streams in Hilly Region for SHP Development, March 9-10, 1998, New Delhi.
146. Singh RD, Chaudhary H and Kumar Arun, "Regional Flow Duration for Himalayan Region of the Indian State of Uttar Pradesh", 5th International Conference "Hydroenergia 97", Dublin, Ireland, Sept. 29-Oct.1, 1997.
147. Kumar Arun, "Regional Flow Duration Model for Planning Small Hydro Power Projects in Himalayan Catchments of a North India State", 3rd International Conference of Hydro Power, 1997, Trondheim, Norway, June 30-July 2, 1997.
148. Kumar Arun, "GIS in Small Hydro Planning and Resource Management", Issue Sept - Oct.' 1997, GIS Development, New Delhi PP 30-37.
149. Kumar Arun, "Small Hydro Status" CII organised International Conference on Investment Opportunities in Renewable Energy, Mumbai, Sept. 11-12, 1997.     (Invited)
150. Kumar Arun, "Small Hydro Power Scenario in Uttar Pradesh", All India Seminar on Development of Hydro Power Potential in India, April 22, 1997, Lucknow.   (Invited)
151. Kumar Arun, "Survey and Assessment of Small Hydro Potential" International Conference on Small Hydro Power System, Mar 13-14, 1997, New Delhi.      (Invited)
152. Kumar Arun, "Technology Selection Challenges for Small Hydro Power" International Conference on Small Hydro Power System, Mar 13-14, 1997, New Delhi.
153. Kumar Arun, "Remote Sensing and GIS Application in Small Hydro Projects Planning & Development. International Conference on Small Hydro Power System, Mar 13-14, 1997, New Delhi.
154. Kumar Arun, "Small Hydro Power Technology", All India Peoples' Technology Congress, Calcutta, Feb. 21-23' 97.    (Invited)
155. Kumar Arun, "Selection of member and size of unit of Small Hydro Plant"; First International Conference on Renewable Energy and Small Hydro, Feb. 3-7 1997, Hyderabad.
156. Kumar Arun, "Resource Assessment-Resource assessment", International workshop for NAM and developing countries on Renewable Energy Application, Photovoltaic, Wind & Small Hydro, New Delhi, Dec. 3-7, 1996.   (Invited)
157. Kumar Arun, "Small Hydro Power Status, Technology and R&D Areas, Seminar on S&T Inputs to Renewable Energy, Proceeding and Legislation, IIT, New Delhi, Nov. 22, 1995.     (Invited)
158. Kumar Arun, "Small Hydro Potential of India', National Symposium on Renewable Energy, Bangalore Mar 6-7, 1995.    (Invited)
159. Kumar Arun, "Small Hydro Power -Issues and Constraints" National Seminar on Small Scale Hydro Power, New Delhi, Jan 20-21, 1995.    (Invited)
160. Kumar Arun, "Small Hydro Power and Role of consultant", National Seminar, Triputhi, Sept. 02,1994.
161. Kumar Arun, and Singal SK "Sadani Small Hydro Electric Project -  a case Study", National Seminar, Ranchi, Mar 1994. (Invited)
162. Panesar PS and Kumar Arun, "Ganga - Small Hydro Development", Seminar on Ganga in the Service of Nation", Roorkee, Sept, 1993.
163. Kumar Arun, "Economic & Financial Analysis of Small Hydro Power Projects", Urja bharati, Journal of Ministry of Non-Conventional Energy Sources, Vol. 3, No.2, Aug. 1992.
164. Kumar Arun and Jain MP "Potential of Entrepreneurship in Small Hydro Generation", International Conference on "Science Park Movement, Tiruchirapalli, Dec. 1990.
165. Kumar Arun, and Sinvhal H "Entrepreneur, Science Parks and Communication Through Video Media", International Conference on Science Park Movement, Tiruchirapalli, Dec. 1990.
166. Kumar Arun, "Civil Engineer as Manger of Hydraulic Project" 5th National Convention of Civil Engineers, Institution of Engineers, Calcutta Jan. 1990.
167. Kumar Arun, and Saxena NK "Design Aid on Desilting Tanks for Micro Hydro Stations", Seminar on Potential & Development of Small/Micro Hydel Energy Systems in the Himalayan regions at Roorkee, Dec. 1987.   (Invited)
168. Kumar Arun and Saxena NK, "Steel Fibre Reinforced Concrete Penstock for Small Hydro Projects", Seminar on Potential & Development of Small/Micro Hydel Energy Systems in the Himalayan Regions at Roorkee, Dec. 1987.
169. Chauhan G, Kumar Arun and Singhal MK, "Design and Construction of Gates for Small Scale Hydropower III International Symposium on Wave, Tidal, Otec & Small Scale Hydro Energy by British Hydraulic Research Association at Brighton, England, May 1986.
170. Kumar Arun and Das D, "Environmental Impacts on Small Scale Hydropower Stations" International Seminar on Environmental Impacts Assessments of Water Resources Projects of WRDTC at Roorkee, Dec. 1985.
171. Kumar Arun and Thapar OD, "Inexpensive Renewable Energy System for Rural Areas" International Water Resource Association V World Congress on Water for Development at Brussels, Belgium, June 1985.
172. Kumar Arun and Thapar OD, "Integrated Small Hydro Energy Development" Speciality Conference on Water for Resource development by American society of civil Engineers at Idaho, USA, Aug. 1984.
173. Thapar OD, Das D and Kumar Arun, "Small Hydro Power System Technology and Rural Development", Seminar on Small Hydro Power by Central Board of Irrigation & Power", at Delhi, India, Jan. 1983.    (Invited)
174. Kumar Arun and Thapar OD, "Manali Mini Hydro Power Project : A Case Study, World Conference on Water Power-1985, by American Society of Civil Engineers and US Army Corps of Engineers at Las Vegas, USA, Sept. 1985.
175. Thapar OD, Das D and Kumar Arun, "Kakroi Fall Ultra Low Head Hybrid Hydro Energy Development" an international conference Energex-82, by Ministry of Energy, Canada, Aug. 1982. (Invited)

1. Member, Research and Development Appraisal Committee (RDPAC) of Tidal/Wave Energy, Ministry of New and Renewable Energy, Government of India, 2025
2. Chairman, Small Hydropower Plants Sectional Committee WRD 29, Bureau of Indian Standards, since Jan 2024. The committee is replica of International Eletrotechnical Commission committee TC 339.
3. Member, Bureau of Indian Standards Sectional Committee WRD-10, WRD-22 and ME-22.
4. Chairman, Hydro Research Committee Ministry of Power with CPRI Coordinator since July 2023
5. Member, Central Advisory Committee, CERC since Sept 2023
6. Niti Aayog, member Advisory group, Increasing viability of hydropower projects in North eastern region by the year 2047, June 2022
7. Ministry of Power, member, Committee to increase viability for hydropower projects 2021
8. Chairman- MNRE Committee to formulate the ITI course curriculum in Small Hydro Power. 2020-21
9. Member- Bureau of Indian Standard committee for Research Advisory Committee 2020 onwards
10. Member- MOEFCC committee for study on impact of desilting and Dredging from Reservoirs and Barrages 2020
11. Member- Ministry of Water resources, River development and Ganga Rejuvenation for Karcham Wangtoo Hydro project capacity enhancement review 2019-20
12. Member- Ministry of Power- increasing peaking mode operation of Hydropower Projects 2017-18
13. Member – MNRE Standardization od RE systems since 2018
14. Member - CWC committee for longitudinal connectivity of river 2017
15. Member of expert committee for examining the issues of Loharinag Pala hydro project constituted by MoEF 2010 and again in 2011.
16. Chairman Expert Committee of MoEF for Srinagar Project – April – May, 2013.
17. Member of governing body as faculty member for Technology Incubation and Entrepreneurship Activity (TIEDA) of IIT Roorkee since Dec 2010,
18. Member- 12th Plan proposals preparation for small hydro sub group of Ministry of New and Renewable Energy (2011)
19. Member of Consultative committee for mid-term evaluation of MoEF constituted by Planning Commission 2009. Member of Uttarakhand state environment impact of hydropower project committee constituted by Uttarakhand government 2008 till date
20. Member of examination of small hydropower site offers constituted by Uttarakhand government 2008 till date
21. Ministry of New and Renewable Energy, constituted committee Chairman on Cost estimation for Village hydro project
22. Member (Alternate) of Bureau of Indian Standard (BIS) RVD Committee 15.4 on Small Hydro (1984-92).
23. Member (convener) of Civil Engg. Aspects - New Technology Committee of Ministry of Non-Conventional Energy Sources, Govt. of India (1997 -1998).
24. Member of `Project Executive Committee' for UNDP-GEF Hilly Hydro Project, MNES, Govt. of India (1995-1999)
25. Member of High level “Project Implementation Committee” for UNDP GEF Hilly Hydro Project of Ministry of Non-Conventional Energy Sources, Government of India (1998 -2000).
26. Member of “Purchase Committee” for UNDP GEF Hilly Hydro Project of MNRE GOI (1998 -2000).
27. Member of “Renewable Energy Cell” of UP State Government since Aug. 2000
28. Nominee Director of IREDA for its funded project (July, 2000- 2003).
29. Member of “Rural Electrification Committee’ of Uttaranchal – since Aug. 2001.
30. Member of Project Evaluation Committee of Uttaranchal Jal Vidyut Nigam, since July 2002.
31. Member CII – GBC Godrej Renewable Energy Committee, ( 2003 till date).
32. Chairman of the committee constituted by MNES for village hydro cost estimation, 2004.
33. Member of Uttaranchal state committee for CDM projects  2005
34. Member, Advisory Committee, Uttarakhand Electricity Regulatory Commission (2006 – 2011).
35. Chairman, Hydropower seminar, ASSOCHAM and Royal Norwegian Embassy, 2006
36. Member of Planning Commission Sub-Committee on rivers, lakes and aquifer for 11th plan , 2006
37. Member of Planning Commission Sub-Committee on R&D Research, Design and Development in renewable energy, 2006
38. Member of International Scientific Committee constituted by MoEF for World Lake Congress, 2007
39. Member, Expert member of committee for State S+T Intervention Projects, DST, Govt. of India, 2007
40. Member, Expert member of committee for selection of site for IIT Patna from hydrology aspects.
41. Member of Standing Committee for Border area Illumination, Govt. of India, MNRE 2008.
42. Member of FICCI Renewable Energy Committee 2009
43. Member of expert committee for examining the special issues related to Varanasi sewage on river Ganga constituted by MoEF 2010

• Member of Long Duration Energy Storage Council Advisory Board since May 2024
• Associate Editor ASCE Journal of Pipeline Systems Engineering and Practice   since Jan 2020
• Associate Editor AWWA Water Science Journal since 2020
• Resource expert for small hydropower in developing countries for IRENA meeting in Jan 2013 and workshop in Zambia (2013).
• Expert for preparing report on Establishing SHP technology centre in Tanzania, UNIDO (2012)
• Coordinating lead author on intergovernmental panel for climate change report on renewable energy – Hydro chapter (2009-2011)
• Member of Science Planning Group (SPG) in the area of Sustainable Energy by         International Council for Science Regional Office for Asia and the Pacific Kuala Lumpur (Malaysia) 2008
• Development report on Capacity Building on small hydropower development in Cambodia (UNIDO), Implementing Small Hydro Power in particular in rural off grid areas of Sudan (UNIDO),
• UNDP-GEF Hilly Hydro project,
• WB: New Small Hydro Options,
• CIDA – SHP Technology Transfer.
• Prepared a document for a SHP development for Nias island in Indonesia (UNIDO),
• Prepared a document for privatisation of SHP in IRAN for Iran water and power co, Ministry of Energy,
• repared sector report on hydropower development in India for Norwegian embassy