Master's in Law, Harvard University; studies at St Stephen's College, Delhi and Harvard Law School. 1983, Senior Advocate, Supreme Court, India. 1972, joined Bar; 1989-90, Additional Solicitor-General, India; 1995-97, President, Supreme Court Bar Association; 1998, elected to Rajya Sabha; 1991, Leader, Indian Delegation to and Member, Working Group on Arbitrary Detention, Human Rights Commission, Geneva; 1993, Member of the Board of Management, Indira Gandhi National Open University; Member of the Governing Body, St Stephen's College; 1997, visited China as Chairman, Group of Experts, Arbitrary Detention, Human Rights Commission; 1999, Spokesperson, Congress Party; 2000-02, Secretary, Congress Parliamentary Party; 2004, elected to India's Lower House of Parliament; since 2004, visited both Antarctica and the Arctic to coordinate scientific research in polar studies; 2007, led Indian delegation to Annapolis on establishment of Palestinian state and the realization of Israeli-Palestinian peace; 2008, led Indian delegation to UNFCC Bali Summit. Member of the Board: International AIDS Vaccine Initiative; India AIDS Initiative, Bill and Melinda Gates Foundation. Interests: music, sports, reading.