The first nuclear explosion was undertaken by India in:

A crucial development of the 1970s was the first nuclear explosion undertaken by India in May 1974. Nehru had always put his faith in science and technology for rapidly building a modern India.

During the 1970s, a significant milestone was India's inaugural nuclear explosion in May 1974. Embracing science and technology for modernization, Nehru initiated a nuclear program in the late 1940s led by Homi J. Bhabha, aiming to generate atomic energy for peaceful purposes. Despite advocating nuclear disarmament, global nuclear arsenals increased.