Member Lok Sabha, since 1991, Committee Environment & Forests, 1991—1992, Committee External Affairs, 1992—1996, Committee Urban & Rural Development, 1999—2004, Committee Public Undertakings, 2002—2004, minister Panchayati Raj, since 2004, minister Petroleum & Natural Gas, 2004—2006, minister Youth Affairs & Sports, since 2006. Member All India Congress Committee, since 1992, secretary, since 1998. Consul-general to Karachi, 1978—1982.
Joint secretary Ministry External Affairs, 1982—1983. Special assistant to Congress president Rajiv Ghandi, 1989—1991. Member court Pondicherry University, 1995—1996, Jawaharlal Nehru University, 1999—2000.
Trustee Rajiv Gandhi Foundation. Member, governing council Rajiv Ghandi Institute Contemporary Studies. Member Indian Foreign Service, 1963-1989.
Founder, president Society for Secularism. Member of India International Center, Delhi Gymkhana Club.
Married Suneet Mani Aiyar Aiyar, January 14, 1973. 3 children.