5. Shivshankar Menon (National Security Advisor):
Shivshankar Menon is the National Security Advisor (NSA) to the PM.
A former foreign Secretary, Menon played a crucial role in the signing of Indo-US nuclear deal.
Manmohan Singh was impressed with his negotiation skills and today he is one of the most trusted confidants of Manmohan .
A former member of Indian Foreign Service (IFS), Menon served as the foreign secretary of India. Prior to that, he was Indian High Commissioner to Pakistan. He had also served as Ambassador to Israel and High Commissioner to Sri Lanka.
He comes from an illustrious family as His grandfather K. P. S. Menon was India's first Foreign Secretary.