Professor, Mechanical Engineering, Indian Institute of Technology, Guwahati
Professor, Planetary Science Division, Physical Research Laboratory, Ahmedabad (Department of space)
Scientist-E, Planetary Science Division, Physical Research Laboratory, Ahmedabad (Department of space)
Chief Coordinator, North East Centre for Technology Application and Reach (NECTAR)
North Eastern-Space Applications Centre (NE-SAC), Shillong
North Eastern-Space Applications Centre (NE-SAC), Shillong