He served as the Director General of the Institute for Defence Studies and Analyses from January 2012 till his appointment to the post of Deputy NSA.
[4] He is currently serving as the director of Vivekananda International Foundation,a public policy think tank situated in Delhi.
Over the course of his career, he has served in various capacities at Indian diplomatic missions in Moscow, London and Ankara.
He joined the National Security Council Secretariat shortly after it was set up in 1998 and served there till 2007.
[5] Prior to taking charge as Director General, he held the Lal Bahadur Shastri Chair on National Security in the IDSA from 2008 to 2012.