He was Member of the (First) National Security Advisory Board, Member of the Nuclear Doctrine-drafting Group, National Security Council, Government of India, and, formerly, Advisor on Defence Expenditure to the Finance Commission, India.

Educated at the University of California (B.A., Santa Barbara; M.A., Los Angeles), he has been a Visiting Scholar at Princeton University, University of Pennsylvania, and the University of Illinois, Urbana-Champagne, and Foreign Fellow at the Shanghai Institutes of International Studies and the Henry L. Stimson Centre, Washington, DC. He lectures at the top military training and discussion forums, including CORE (Combined Operational Review and Evaluation), DRDO Annual Directors’ Conference, National Defence College, Higher Command Courses at the Army War College, College of Air Warfare, College of Naval Warfare, College of Defence Management, College of Military Engineering, and at Army Command and Corps level fora and equivalent in the other two Armed Services, and Defence Services Staff College, and also at the Indian Administrative Service Academy, Foreign Service Institute, and the National Police Academy.

He was commissioned by the Headquarters, Integrated Defence Staff, Ministry of Defence, to conceptualize, conduct for several years, and lecture at the annual Strategic Nuclear Orientation Course for Brigadier-rank officers and equivalent from the three Armed Services, and conceived and conducted the first ever high-level inter-agency war game on the nuclear tripwire in the subcontinent (at the Army War College, 2003).