"South Asia on a Short Fuse. Nuclear Politics and the Future of Global Disarmament"
(Co-author with Achin Vanaik) Introduction by Arundhati Roy, Oxford University Press, India, 1999

In the US, the book has been published as:
"New Nukes. India, Pakistan and Global Nuclear Disarmament"
Slightly different from the OUP volume in editing style and number of appendices, Interlink Publishing, USA, 1999

"Testing Times. The Global Stake in a Nuclear Test Ban"
(Co-author with Achin Vanaik) Dag Hammerskjöld Foundation, Uppsala, Sweden 1996

"Religion, Religiosity and Communalism"
(Co-editor with Harbans Mukhia and Achin Vanaik) South Asia Books, October 1996

"India Under Siege. Challenges Within and Without"
(With Muchkund Dubey, Anuradha Chenoy and Arun Ghosh) South Asia Books, November 1995