Q. Which of the following nuclear tests were conducted by India?
  1. Smiling Buddha
  2. Operation Shakti
  3. Chagai-I
  4. Project 596
Select the correct answer using the codes given below:

Answer: Only 1 & 2
Notes: 'Smiling Buddha' (Pokhran-I, 1974) and Operation Shakti (Pokhran-II, 1998) were nuclear tests conducted by India. Chagai-I refers to Pakistan’s 1998 nuclear tests, while Project 596 was the first nuclear test by China in 1964. Therefore, only statements 1 and 2 refer to Indian nuclear tests.
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