The U.S.A. had dropped atom bombs in Japan. It was the complete destruction of the cities of Hiroshima and Nagasaki by the nuclear weapons in August 1945 that made the world shiver over the possibility of complete destruction of earth by the use of the nuclear weapons.
Essay on The Threat of Chemical Weapons to Humanity. After 9-11 -2001 there is a fear that the next major terrorist attack could be more lethal and that terrorist must use.
Manufacturing and developing the delivery system of nuclear weapons is a costly affair. By manufacturing these weapons India will cripple her economy. For a developing country, such a setback will be disastrous.
Possessions of nuclear weapons will give prestige to India in the World community and they will help her to propagate her ideas which may help the people of the world to preserve peace.