Correct option is C
The correct answer is (c) Homi Sethna.
· Homi Sethna was the Chairman of the Atomic Energy Commission of India during the time of India's first nuclear test, code-named "Smiling Buddha," which was conducted on May 18, 1974, at Pokhran.
· Under his leadership, India successfully detonated its first nuclear device, marking a significant milestone in India's nuclear program.
· Sethna played a crucial role in the planning and execution of the test, working closely with key scientists and engineers.
Information Booster:
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APJ Abdul Kalam: Played a significant role in India's later nuclear tests (Operation Shakti) in 1998, but was not the Chairman of the Atomic Energy Commission in 1974.
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Rajagopala Chidambaram: Was involved in the 1998 nuclear tests and later became the Chairman of the Atomic Energy Commission, but not during the 1974 test.
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Raja Ramanna: A key figure in India's nuclear program and played a significant role in the 1974 nuclear test, but he was the Director of the Bhabha Atomic Research Centre (BARC) at that time, not the Chairman of the Atomic Energy Commission.