He has the rare distinction of being the head of three think tanks during his career - the earlier two being the Institute for Defence Studies and Analyses (IDSA) and the National Maritime Foundation (NMF).

He is a columnist, editor, and contributor of numerous research-articles on nuclear and international security issues to reputed journals in India and abroad.

He edited books on nuclear, maritime, and international security related issues; and contributed over sixty research-articles to reputed journals, both in India and abroad—US Naval Institute Proceedings, Studies in Conflict and Terrorism, and the Bulletin of the Atomic Scientists - and in books published by the US Naval War College and Royal Navy Defence studies.

[1][9] Currently, he is a life member of United Services Institute (USI), a member of advisory panel of the India Habitat Centre in New Delhi, chairman of the Middle East Institute in New Delhi, director of National Maritime Foundation, and a frequent (guest) lecturer at the Indian National Defence College, including other military colleges.

[1][3][4] This strategic analyst regularly writes columns for some of the country's leading English publications such as The Indian Express, Reuters, Dainik Jagran, The Economic Times, and several alike.