When did India test its first atomic bomb?

Correct option is D

The correct answer is (d) 1974.
· India tested its first atomic bomb on 18th May 1974 at Pokhran in Rajasthan, and the operation was codenamed Smiling Buddha.
· It marked India's entry into the group of nuclear-armed nations. The test was conducted under the leadership of Prime Minister Indira Gandhi.
Information Booster:
· The 1974 test was India's first successful detonation of a nuclear device.
· The test was described as a "peaceful nuclear explosion."
· The Pokhran-II tests, which further developed India's nuclear capability, were conducted in 1998.