| 1960-68 |
Gram Pradhan, Bijuli Panchayat(two terms) |
| 1965-67 |
President, Prakhand Panchayat Samiti, Darbhanga |
| 1967, 69 & 72 |
Member, Bihar Legislative Assembly (three terms);Member, Public Accounts Committee, Rules Committee and Committee on Petitions |
|
;Chief Whip, Sanyukt Socialist Party (SANSOPA), Bihar Legislative Assembly;Secretary, Parliamentary Committee, Bihar;Member, Consultative Committe, Urban Development |
| 1971 |
President, Zila Parishad (District Board) |
| 1972 |
President, Sanyukt Socialist Party (SANSOPA), Darbhanga |
| 1974-77 |
General Secretary, Bhartiya Lok Dal, Bihar |
| 1977-79 |
Elected to 6th Lok Sabha;General Secretary, Janata Party, Bihar |
| 1980 |
Elected to Rajya Sabha |
| 1980-86 |
Chief Whip, Lok Dal, Rajya Sabha;President, Election Committee, Lok Dal, Bihar |
| 1982-84 |
Deputy Leader, Rajya Sabha |
| 1983 |
National General Secretary, Janata Party |
| 1983-84 |
Member, Committee on the Welfare of Scheduled Castes and Scheduled Tribes |
| 1985-86 |
Member, Committee on Official Language |
| 1985-88 |
President, Janata Party, Bihar |
| 1989 |
Re-elected to 9th Lok Sabha (2nd term) |
| 1989-90 |
Member, Business Advisory Committee |
| 1990 |
Member, Committee on Public Undertakings, Consultative Committee & Ministry of Finance;Deputy leader, Janata Dal, Lok Sabha |
| 1990-91 |
Union Cabinet Minister, Textiles and Food Processing Industries |
| 1999 |
Re-elected to 13th Lok Sabha (3rd term) |
| 13 Oct. 1999-26 May 2000 |
Union Minister of State, Agriculture |
| 27 May 2000- 6 Nov. 2000 |
Union Minister of State, Surface Transport |
| 7 Nov. 2000- 1 Nov. 2001 |
Union Minister of State, Shipping |
| 2 Nov. 2001 |
Union Minister of State, Agriculture |
| 2009 |
Re-elected to 15th Lok Sabha (4th term) |
| 31 Aug. 2009 |
Member, Committee on Agriculture |
| 23 Sep. 2009 |
Member, Committee on Government Assurances;Member,Committee on Official Language |
