Correct option is D
Correct Answer:D. Rajasthan
This marked India’s entry into the group of nuclear-capable nations.
Pokhran-I (1974): India’s first nuclear test under Prime Minister Indira Gandhi.
Pokhran-II (1998): Series of five nuclear tests conducted under Prime Minister Atal Bihari Vajpayee.
Tests were conducted in desert terrain to ensure safety and secrecy.
India's nuclear program is guided by the doctrine of credible minimum deterrence.
The site is operated by the Defence Research and Development Organisation (DRDO) and BARC.