Step 1: Anti-ballistic Missile Treaty (A)
Signed in 1972 between the US and Soviet Union to limit missile defense systems. Match: (A) - (III).
Step 2: Nuclear Non-Proliferation Treaty (B)
Opened for signature in 1968, this treaty aims to prevent the spread of nuclear weapons and promote peaceful nuclear energy uses. Match: (B) - (I).
Step 3: Chemical Weapons Convention Treaty (C)
Adopted in 1992, this convention focuses on eliminating chemical weapons. Match: (C) - (IV).
Step 4: India’s First Nuclear Test (D)
India's first nuclear test, codenamed "Smiling Buddha," occurred in 1974. Match: (D) - (II).
Step 5: Final Answer
The correct answer is (3) (A) - (III), (B) - (I), (C) - (IV), (D) - (II).