Director General, DRDO
Former Chief Secretary, Odisha
SC-G, Addl. Director, Integrated Test Range (ITR), Chandipur
National Aerospace Labs, B'lore
Director, Centre for Indology & Culture
Rhombus Intl
Professor, Cappadocia University, Turkey
Senior Professor, Taylor's University, Malaysia
FRAeS, FIE Scientist ‘F’ & Head – Stealth Technologies Division DRDO, Bangalore
