Watch | How crucial has been S Jaishankar in India's foreign affairs

In the swearing-in ceremony, Subrahmanyam Jaishankar, a former diplomat and an expert on China affairs also took oath as a cabinet minister at Rashtrapati Bhavan. Jaishankar has played crucial roles in resolving the Doklam standoff and was one of the prominent faces in the Civil Nuclear deal with the United States.