1. Embassy of India, "Draft Report of National Security Advisory Board on Indian Nuclear Doctrine," August 17, 1999. Available at http://www.indianembassy.org/policy/CTBT/nuclear_doctrine_aug_17_1999.html .
2. The Cabinet Committee on Security Reviews, "The Cabinet Committee on Security Reviews Operationalization of India's Nuclear Doctrine," January 4, 2003. Available at http://meaindia.nic.in/pressrelease/2003/01/04pr01.htm .
3. For details of this argument, see R. Rajaraman, "Cap the Nuclear Arsenal Now," The Hindu , January 25, 2005; "Towards De-Nuclearisation of South Asia," discussion paper, Second Pugwash Workshop on South Asian Security, Geneva, Switzerland, May 16-18, 2003.
4. For details of these calculations see R. Rajaraman, "Estimates of India's Fissile Material Stock," Science & Global Security , vol. 16, no. 3, pp. 74-86. This work updates the earlier calculations by Zia Mian, A. H. Nayyar, R. Rajaraman, and M. V. Ramana, "Fissile Materials in South Asia: The Implications of the U.S.-India Nuclear Deal," Science & Global Security , vol. 14, nos. 2 and 3, pp. 117-145.
5. In reference 4, a total of 12.7-12.8 tons was quoted as the amount up to mid-2007. To this, I add an approximate 1.2 tons as produced during 2007 and 2008.