India 's first Nuclear test was conducted on 18 May 1974 with the code name Smiling Buddha . Since then India has conducted another series of tests at the Pokhran test range in the state of Rajasthan in 1998 , which included a thermonuclear test , code named Operation Shakti . India has an extensive civil and military nuclear program , which includes at least 10 nuclear reactors , uranium mining and milling sites , heavy water production facilities , a uranium enrichment plant , fuel fabrication facilities , and extensive nuclear research capabilities
Operation Shakti
Pokhran-II
Nuclear Command Authority (India)