Officials of India and the US on Wednesday held discussions on ways to meet the global challenges of nuclear proliferation and threat of nuclear terrorism.

At the two-day talks that will conclude on Thursday, the Indian side is led by Additional Secretary (International Organisations) in the External Affairs Ministry K C Singh while the US delegation is headed by Acting Under Secretary of State for International Security and Non-Proliferation John C Rood.

Among the issues being discussed are global non-proliferation challenges and approaches to addressing these, including through multilateral initiatives and strategic trade controls.

Regional security, including nuclear and missile issues and missile defence, are also being deliberated upon.

Issues like the threat posed by clandestine proliferation of nuclear weapons and the risk of atomic weapons being used by terrorists are also expected to be discussed.