Machine Design, Mechanical Vibration, Vibration Mitigation, Magnetorheological (MR) and MRE Dampers, Piping Systems, Vibration Mitigation Systems, Elastomer Shock Isolators, Nonlinear Energy Sink Absorbers, Metamaterials in Vibration Mitigation, Structural Dynamics and Control, Structural Dynamic Testing, Identification and Monitoring, Pedestrian-Structure Interaction, Dynamics of Rail Vehicle, Semiactive Control of Indian Rail Vehicles at High Speed