But don't support military options against Tehran Iranian President Mahmoud Ahmadinejad comes visiting New Delhi on Tuesday. Since the last visit by an Iranian president in 2003, the suspected efforts to acquire nuclear weapon by Tehran has become a bone of contention between the two countries. Iran formally denies that it has any ambition to become a nuclear weapons power. At the same time it asserts its right under Article IV of the Non-proliferation Treaty (NPT) to develop uranium enrichment technology for peaceful purposes.