Nyorai kupfuurira kweiyi ndima - Chifo cheRusununguko India yakanga iri mukutsvaka mano enyukireya. Nehru akanzwa kuti simba renyukireya rinogona kufambisira mberi nyika uye kubatsira kuita zvinangwa zvayo zvokuronga. Somuuyo, Nehru akavamba kutsvaka betsero kuUnited Kingdom, Canada neUSA. Muna 1958 hurumende yeIndia nebetsero yaHomi J. Bhabha yakagamuchira hurongwa hwekugadzira magetsi mumatanho matatu uye Nuclear Research Institute yakavambwa muna 1954. Indira Gandhi akapupurira bvunzo dzenyukireya dzakapfuurira neChina kuvambira muna 1964 zvichienda mberi, nokudaro tyisidziro yokuvapo kuIndia. Somuuyo, India yakaita bvunzo yenyukireya murenje rePokhran muRajasthan pana May 18, 1974 ndokuidana kuti Operation Smiling Buddha. India yakasimbisa kuti kuedza kwacho kwakanga kuri nokuda kwe"zvinangwa zvorugare". Zvisinei, nyika yakatarisana nokutsoropodzwa uye United States neCanada dzakamisa rutsigiro rwose kuIndia. Pasinei zvapo nokushoropodzwa kwakasimba kwenyika yose, kuedza kwenyukireya kwakanga kwakakurumbira munyika yose kuchikonzera kumutsidzirwa nokukurumidza kwokufarirwa kwaIndira Gandhi, uko kwakanga kwaderera zvikuru kubva pakakwirira pashure pehondo ya1971
. Pashure pacho, kuchinja kuva nyika yeNorth East India kwakabudirira kutarisirwa nehurumende yake. Muna 1972, Indira Gandhi akapa Meghalaya, Manipur uye Tripura chinzvimbo chehurumende, nepo North-East Frontier Agency yakaziviswa senharaunda yemubatanidzwa uye yakatumidzwa zita rekuti Arunachal Pradesh. Ikoku kwakateverwa nokubatanidzwa kweSikkim muna 1975.