43.

Dayakrishna Nailwal, MV Sunil Krishna^†, Alok K Ranjan: Differential response of Nitric oxide radiative cooling to moderate and intense geomagnetic storms: Insights from superposed epoch analysis, J. Geophys. Res: Space Physics, 130, e2024JA033693, 2025. (Link)

42.

Dayakrishna Nailwal, MV Sunil Krishna^†, Xian Lu, Haonan Wu, Akash Kumar, Alok K Ranjan: Unusual variation in Nitric Oxide radiative flux and neutral density over Hunga-Tonga region caused by the volcanic eruption, Geophys. Res. Lett., 52(7), e2025GL115083, 2025. (Link)

41.

Rathi R, M Sivakandan, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya, S Sarkhel: Evidence for the evolution and decay of an electrified Medium Scale Traveling Ionospheric Disturbances during two consecutive substorms: First results, Adv. Space. Res., 75, 4896-4909, 2025. (Link)

40.

Akash Kumar, MV Sunil Krishna^†, Alok K Ranjan: Effect of 2009 major SSW event on the mesospheric CO₂ cooling, J. Geophys. Res: Atmospheres, 129(24), e2024JD041298, 2024. (Link)

39.

D Patgiri, S Nirwal, R Rathi, V Yadav, MV Sunil Krishna, S Kannaujiya, S Sunda, Jann‐Yenq Liu, S Sarkhel, Role of coupled electrodynamics of E‐and F‐regions on the rapid poleward extension of EMSTID fronts, J. Geophys. Res: Space Physics, 129(12), e2024JA032991, 2024. (Link)

38.

Alok K Ranjan, Dayakrishna Nailwal, MV Sunil Krishna^†, Akash Kumar, S Sarkhel: Evidence of potential thermospheric overcooling during the May 2024 geomagnetic superstorm, J. Geophys. Res: Space Physics, 129(12), e2024JA033148, 2024. (Link)

37.

D Nailwal, MV Sunil Krishna^†, Alok K Ranjan, Jia Yue: Modeling of Nitric Oxide Infrared radiative flux in lower thermosphere: a machine learning perspective, Adv. Space Res., 74, 4809 – 4823, 2024. (Link)

36.

D Patgiri, R Rathi, V Yadav, D Chakrabarty, MV Sunil Krishna, S Kannaujiya, P Pavan Chaitanya, A K Patra, Jann-Yenq Liu, S Sarkhel: A rare simultaneous detection of a mid-latitude plasma depleted structure in O(¹D) 630.0 and O(¹S) 557.7 nm all-sky airglow images on a geomagnetically quiet night, Geophys. Res. Lett., 15, 106900, 2024. (Link)

35.

Alok K Ranjan, MV Sunil Krishna^†, Akash Kumar, Dayakrishna Nailwal, Sumanta Sarkhel: Seasonal variation in nighttime NO radiative cooling as observed by TIMED/SABER in lower thermosphere during solar maximum and solar minimum, Adv. Space Res., 74 (7), 3378-3391, 2024. (Link)

34.

Akash Kumar, MV Sunil Krishna^†, Alok K Ranjan, Stefan Bender, Miriam Sinnhuber, S Sarkhel: Influence of temperature changes and vertically transported trace species on the structure of MLT region during major SSW events, J. Atmos. Sol-Terr. Phys., 259, 106243, 2024. (Link)

33.

Satarupa Chakrabarty, Dipjyoti Patgiri, Rahul Rathi, Gaurav Dixit, MV Sunil Krishna, Sumanta Sarkhel: Optimizing a deep learning framework for accurate detection of the Earth’s ionospheric plasma structures from all-sky airglow images, Adv. Space Res., 73, 5990-6005, 2024. (Link)

32.

Mondal S, A Guharay, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak: A case study of mesospheric frontal interaction and associated processes over the western Himalaya, Adv. Space Res., 74, 3423-3434, 2024. (Link)

31.

Dipjyoti Patgiri, R Rathi, V Yadav, S Sarkhel, D Chakrabarty, S Mondal, MV Sunil Krishna, Arun K Upadhyaya: A case study on multiple self-interactions of MSTID bands: New Insights, Adv. Space Res., 73(7), 3595-3612, 2024. (Link)

30.

Rahul Rathi, Padma Gurram, S Mondal, V Yadav, S Sarkhel, MV Sunil Krishna, Arun K Upadhyaya: Unusual simultaneous manifestation of three non-interacting mid-latitude ionospheric plasma structures, Adv. Space Res., 73(7), 3550-3562, 2024. (Link)

29.

Alok K Ranjan, MV Sunil Krishna^†, Akash Kumar, S Sarkhel, D Chakrabarty, G D Reeves: NO radiative cooling and ionospheric response to the HILDCAA events following geomagnetic storms, J. Geophys. Res: Space Physics, 128, 32028, 2023. (Link)

28.

Alok Ranjan, MV Sunil Krishna^†, C. Amory-Mazaudier, R Fleury, S Sripathi, Geeta Vichare, W Younas: Variability of Ionosphere over Indian longitudes to a variety of space weather events during December 2006, Space Weather, 21, 10:1029/2023SW003595, 2023. (Link)

27.

Bhardwaj A, A. Gupta, Q. Ahmed, A. Singh, S. Gupta, S Sarkhel, MV Sunil Krishna, D. Pallamraju, T. Pant and A.K. Upadhayaya: Signature of Y-forking in ionogram traces observed at low-mid latitude Indian station, New Delhi, during the earthquake events of 2020: ionosonde observations, Front. Astron. Space Sci., 10, 1170288, 2023. (Link)

26.

Alok K Ranjan, MV Sunil Krishna^†, Akash Kumar, Gaurav Bharti, S Sarkhel, Miriam Sinnhuber, Stefan Bender: Aspects related to variability of radiative cooling by NO in lower thermosphere, TEC and O₂ correlation, and diffusion of NO into mesosphere during the Halloween storms, Adv. Space Res., 71, 29-45, 2023. (Link)

25.

Rathi R, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, A K Upadhayaya, S Kannaujiya, P Chauhan: A case study on the interaction between MSTIDs fronts, their dissipation and a curious case of MSTIDs rotation over geomagnetic low-mid latitude transition region, J. Geophys. Res: Space Physics., 127, 29872, 2022. (Link)

24.

Guharay A, S Mondal, S Sarkhel, M Sivakandan, MV Sunil Krishna: Signature of a mesospehric bore in 557.7 nm airglow emission suing all-sky imager at Hanle, Adv. Space Res., 69, 2020-2030, 2022. (Link)

23.

Sivakandan M, S Mondal, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya, A Shinbori, T Sori, S Kannaujiya, PK Champati ray: Evidence of In-situ generation of plasma depletion structures over the transition region of geomagentic low-mid latitude, J. Geophys. Res: Space Physics, 126, e8837, 2021. (Link)

22.

Mondal S, M Sivakandan, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak: A case study of thermally ducted undular mesospheric bore accompanied by ripples over the western Himalayan region, Adv. Space Res., 68, 1425-1440, 2021. (Link)

21.

Yadav V, R Rathi, G Gaur, S Sarkhel, D Chakrabarty, MV Sunil Krishna, P Pavan Chaitanya, A K Patra, RK Choudhary, T K Pant, A K Upadhayaya: Interaction between nighttime MSTID and mid-latitude field-aligned plasma depletion structure over the transition region of geomagnetic low-mid latitude: First results from Hanle, India, J. Atmos. Sol.-Terr. Phys., 217, 2021. (Link)

20.

Rathi R, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, A K Upadhayaya: Evidence for simultaneous occurrence of periodic and single dark band MSTIDs over geomagnetic low-mid latitude transition region, J. Atmos. Sol.-Terr. Phys., 215, 2021. (Link)

19.

Mondal S, M Sivakandan, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak, James M Russell, G Bharti: A case study of a thermally ducted undular mesospheric bore accompanied by ripples over the western Himalayan region, Adv. Space Res., 68, 1425-1440, 2021. (Link)

18.

Yadav V, R Rathi, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya: A unique case of complex interaction between MSTIDs and mid-latitude field-aligned plasma depletions over geomagnetic low-mid latitude transition region, J. Geophys. Res: Space Physics, 126, 28620, 2021. (Link)

17.

Sivakandan M, S. Mondal, S Sarkhel, D Chakrabarty, MV Sunil Krishna, P Pavan Chaitanya, AK Patra, RK Choudhary, TK Pant, AK Upadhyaya, Takuya Sori: Mid-latitude spread-F structures over the geomagnetic low-mid latitude transition region: An observational evidence, J. Geophys. Res: Space Physics, 125, 25731, 2020. (Link)

16.

Gaurav Bharti, MV Sunil Krishna^†, V Singh: Radiative cooling due to NO at 5.3 μm emission as observed by TIMED/SABER over Asian sector, Adv. Space Res., 64, 1989-2001, 2019. (Link)

15.

Mondal S, A Srivastava, V Yadav, S Sarkhel, MV Sunil Krishna, Y K Rao, V Singh: Allsky airglow imaging observations from Hanle, Leh Ladakh, India: Image analyses and first results, Adv. Space Res., 64, 1926-1939, 2019. (Link)

14.

Bharti G, MV Sunil Krishna^†, T Bag, Puneet Jain: Storm-time variation of radiative cooling by Nitric Oxide as observed by TIMED-SABER and GUVI, J. Geophys. Res: Space Physics, 123, 1500-1514, 2018. (Link)

13.

Bharti G, T Bag, MV Sunil Krishna^†: Effect of geomagnetic storm conditions on the equatorial ionization anomaly and equatorial temperature anomaly, J. Atmos. Sol.-Terr. Phys., 168, 8-20, 2018. (Link)

12.

Bag T, V Singh, MV Sunil Krishna^†: Study of atomic oxygen greenline dayglow emission in thermosphere during geomagnetic storm conditions, Adv. Space Res., 59, 302-310, 2017. (Link)

11.

Bag T, MV Sunil Krishna^†, V Singh: Modeling of Na airglow emission and first results on the nocturnal variation at a mid-latitude, J. Geophys. Res: Space Physics, 120, 10945-10958, 2015. (Link)

10.

Bag T, MV Sunil Krishna^†, Shilpa Gahlot, V Singh: Effect of severe geomagnetic storm conditions on atomic oxygen greenline dayglow emission in mesosphere, Adv. Space Res., 53, 1255-1264, 2014. (Link)

09.

Thirupathaiah P, V Singh, MV Sunil Krishna^†: An analytical approach to estimate the atomic oxygen density from greenline dayglow emission in thermosphere at 250 km, Ind. J. Radio. Space, 42, 219-228, 2013. (Link)

08.

Thirupathaiah P, MV Sunil Krishna^†, V Singh: Effect of solar activity on peak emission rate of 557.7 nm dayglow emission under equinox conditions, J. Atmos. Sol.-Terr. Phys., 77, 209-218, 2012. (Link)

07.

MV Sunil Krishna^†, Sandeep Kaur, V Singh: Heating of ambient electrons in thermosphere under varying solar activity conditions, Ind. J. Radio. Space, 40, 130-136, 2011. (Link)

06.

MV Sunil Krishna^†, Singh V: Solar influence on redline dayglow emission under equinox conditions, J. Atmos. Sol-Terr. Phys., 73, 499-506, 2011. (Link)

05.

MV Sunil Krishna^†, Singh V: Morphology of 8446 Å dayglow emission, J. Adv. Space. Res., 46, 81-88, 2010. (Link)

04.

Singh V, Upadhayaya A K and MV Sunil Krishna: Modeling of redline dayglow emissions, J. Hung. Met. Serv (IDŐJARAS)., 114, 217-227, 2010. (Link)

03.

MV Sunil Krishna, Singh V: Effect of solar activity on the morphology of 7320 Å dayglow emission, Ann. Geophys., 27, 4089-4096, 2009. (Link)

02.

Singh V, MV Sunil Krishna: Effect of temperature dependent rate coefficient of reaction N₂(A^3 +_u) + O on proton heating efficiency in auroral region, Ind. J. Radio. Space, 39, 71-73, 2009. (Link)

01.

MV Sunil Krishna, Singh V: Testing of Solar2000 EUV flux model between 900-1350 Å using greenline dayglow emission, Ind. J. Radio. Space, 38, 37-41, 2009. (Link)