1972-76 |
Member, Assam Legislative Assembly |
1973-78 |
President, District Congress Committee (D.C.C.), Jorhat |
1973 |
Member, All India Congress Committee (Indira) [A.I.C.C. (I)] |
1974-77 |
Chairman, Estimates Committee, Assam Legislative Assembly;Chairman, Inquiry Committee on Assam State Electricity Board |
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;Member, Committee on Government Assurances, Assam Legislative Assembly ;Member, Committee on External Affairs;Member, Committee on Food and Civil Supplies;Member, Consultative Committee, Ministry of External Affairs; |
1980-85 |
Member, Rajya Sabha |
1980-90 |
Member, Consultative Committee, Ministry of Education and Sports Affairs |
1982-84 |
Member, Committee on the Welfare of Scheduled Castes and Scheduled Tribes |
1984-85 |
Member, Committee of Privileges ;Member, Government Assurances Committee |
1991 |
Elected to 10th Lok Sabha |
1991-96 |
Member, Consultative Committee, Ministry of Petroleum and Natural Gas;Member, Committee on Official Language |
1992 |
Member, All India Congress Committee [A.I.C.C. (I)] |
1996 |
Re-elected to 11th Lok Sabha (2nd term) |
1997-98 |
Member, Committee on External Affairs |
1998 |
Re-elected to 12th Lok Sabha (3rd term) |
1998-99 |
Chairman, Railway Convention Committee ;Member, Committee on Industry |
1999 |
Re-elected to 13th Lok Sabha (4th term) |
1999-2000 |
Member, Committee on Petroleum and Chemicals |
1999-2004 |
Member, Consultative Committee, Ministry of External Affairs |
2002 |
Member, Congress Working Committee, AICC;Member, Rules Committee, Lok Sabha |
2004 |
Re-elected to 14th Lok Sabha( 5th term) |
May 2004 - Jan. 2006 |
Union Minister of State, Ministry of Defence |
May 2004-Apr. 2007 |
Union Minister of State, Ministry of Parliamentary Affairs |
Jan. 2006-May 2009 |
Union Minister of State, Ministry of Chemicals & Fertilizers |
Apr. 2007-May 2009 |
Union Minister of State, Ministry of Mines |
2009 |
Re-elected to 15th Lok Sabha (6th term); |
31 May 2009 - 18 Jan 2011 |
Union Cabinet Minister, Mines; Development of North Eastern Region; |
19 Jan 2011-19 July 2011 |
Union Cabinet Minister, Development of North Eastern Region |