Subramanya Jaishankar was born on January 9, 1955, in New Delhi, to a prominent Indian strategic affairs analyst K. Subrahmanyam and his wife Sulochana. One of his brothers, Sanjay Subrahmanyam, is a historian; the other is a former rural development secretary S Vijay Kumar. Jaishankar did his schooling from Air Force Central School and graduated from St Stephen's College, before pursuing his Masters in Political Science from Jawaharlal Nehru University. He also completed his MPhil and PhD in International Relations from JNU with a specialisation in nuclear diplomacy.