83. Which of the following states are not signatories to the Nuclear Non-Proliferation Treaty (NPT)?
1. Iraq
2. Israel
3. Pakistan
4. India
Options:
a) 2,3 and 4
Explanation: Four states—India, Israel, Pakistan, and South Sudan—have never signed the treaty. India and Pakistan have publicly disclosed their nuclear weapon programs, and Israel has a long-standing policy of deliberate ambiguity with regards to its nuclear program.