General-Secretary, Janata Dal (J.D.) (1988 - 1989)

Elected to 9th Lok Sabha (1989)

Union Minister of State( Independent Charge), Environment and Forests (1989 - 1991)

Union Minister of State (Independent Charge), Programme Implementation (Jan 1990 - April 1990)

Re-elected to 11th Lok Sabha (2nd term) (1996)

Member, Committee on Science and Technology, Environment and Forests (1996 - 1997)

Re-elected to 12th Lok Sabha (3rd term) (1998)

Union Minister of State (Independent Charge) Social Justice and Empowerment (1998 - 1999)

Re-elected to 13th Lok Sabha (4th term) (1999)

Union Minister of State, Social Justice and Empowerment (Independent Charge) (13 Oct 1999 - 1 Sep 2001)

UnionMinister of State, Culture with additional charge of Animal Care (Independent Charge) Programme Implementation and Statistics with additional charge of Animal Care (Independent Charge) (1 Sep 2001 - 18 Nov 2001)

Union Minister of State, Programme Implementation and Statistics with additional charge of Animal Care (Independent Charge) (18 Nov 2001 - 30 Jun 2002)

Member, Committee on External Affairs (2002 - 2004)

Re-elected to 14th Lok Sabha ( 5th term) (2004)

Member, Committee on Health and Family Welfare (5 Aug 2007 onwards)