Mezue ahịrịokwu na-esonụ: Kemgbe nnwere onwe India nọ na-achụso ikike nuklia. Nehru chere na ike nuklia nwere ike iwere mba ahụ gaa n'ihu ma nyere aka mezuo ebumnuche mmepe ya. N'ihi ya, Nehru malitere ịchọ enyemaka site na United Kingdom, Canada na USA. Na 1958 gọọmentị nke India site n'enyemaka nke Homi J. Bhabha nakweere atụmatụ mmepụta ike atọ na Nuclear Research Institute guzobere na 1954. Indira Gandhi hụrụ ule nuklia na-aga n'ihu site na China site na 1964 gaa n'ihu, yabụ iyi egwu dị adị na India. N'ihi ya, India mere nnwale nuklia n'ọzara Pokhran dị na Rajasthan na May 18, 1974 ma kpọọ ya Operation Smiling Buddha. India kwusiri ike na nnwale ahụ bụ maka "ebumnuche udo". Kaosinadị, mba ahụ nwetara nkatọ na United States na Canada kwụsịrị nkwado niile nye India. N'agbanyeghi nkatọ mba ụwa siri ike, nnwale nuklia a na-ewu ewu n'ụlọ na-eme ka mmeghari ohuru nke Indira Gandhi, nke dara nke ukwuu site na elu ya mgbe nnwale ahụ gasịrị.
Agha nke 1971. Mgbe nke ahụ gasịrị, gọọmentị ya gara nke ọma na-ahụ maka mgbanwe na steeti maka North East India. N'afọ 1972, Indira Gandhi nyere Meghalaya, Manipur na Tripura ikike ịbụ steeti, ebe North-East Frontier Agency kwupụtara na ọ bụ mpaghara mpaghara ma kpọọ ya Arunachal Pradesh. Nke a sochiri mwebata nke Sikkim na 1975.