Career
His last posting prior to retirement was as Permanent Representative of India to the United Nations. After retirement, he was appointed as Special Senior Adviser to the President of the United Nations General Assembly. Nirupam Senator presented his credentials as Permanent Representative of India to the United Nations on September 17, 2004.
Prior to this appointment, Senator had been India"s High Commissioner to Sri Lanka.
He has previously headed Indian missions in Sofia and Oslo in Bulgaria and Norway. His predecessor as Permanent Representative of India to the United Nations was Vijay K. Nambiar his successor is Hardeep Puri.