With three and a half decades of service at Combat Vehicles R & D Establishment, Defence R & D Organisation (DRDO), I have gained wide range of experience and expertise in development of military engines for combat vehicles, right from drawing of specification based on the operational requirement, hardware realisation, vehicle integration, bench testing and field evaluation, defect investigation, rectification and upgradation leading to bulk production. Also experienced in development of Engg Support Package for lifetime sustenance, ToT, MToT and MRO modalities.Also possess expertise in field evaluation of tracked vehicles, especially combat tanks, in extreme hostile environment, development of specialist support vehicles for repair and recovery, etc.,