1972-76 |
Member, Assam Legislative Assembly |
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1973-78 |
President, District Congress Committee (D.C.C.), Jorhat |
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1973 |
Member, All India Congress Committee (Indira) [A.I.C.C. (I)] |
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1974-77 |
Chairman, Estimates Committee, Assam Legislative Assembly |
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Chairman, Inquiry Committee on Assam State Electricity Board |
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Member, Committee on Government Assurances, Assam Legislative Assembly |
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1980-85 |
Member, Rajya Sabha |
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1980-90 |
Vice-President, Pradesh Congress Committee [P.C.C. (I)], Assam |
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1982-84 |
Member, Committee on the Welfare of Scheduled Castes and Scheduled Tribes |
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1984-85 |
Member, Committee of Privileges |
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Member, Government Assurances Committee |
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1980-90 |
Member, Consultative Committee, Ministry of Education and Sports Affairs |
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1991 |
Elected to 10th Lok Sabha |
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1991-96 |
Member, Consultative Committee, Ministry of Petroleum and Natural Gas |
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Member, Committee on Official Language |
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Member, Committee on External Affairs |
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Member, Committee on Food and Civil Supplies |
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1992 |
Member, All India Congress Committee [A.I.C.C. (I)] |
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1996 |
Re-elected to 11th Lok Sabha (2nd term) |
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1997-98 |
Member, Committee on External Affairs |
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1998 |
Re-elected to 12th Lok Sabha (3rd term) |
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1998-99 |
Chairman, Railway Convention Committee |
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Member, Committee on Industry |
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Member, Consultative Committee, Ministry of External Affairs |
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1999 |
Re-elected to 13th Lok Sabha (4th term) |
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1999-2000 |
Member, Committee on Petroleum and Chemicals |
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1999-2004 |
Member, Consultative Committee, Ministry of External Affairs |
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2002 |
Member, Congress Working Committee, AICC |
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Member, Rules Committee, Lok Sabha |
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2004 |
Re-elected to 14th Lok Sabha( 5th term) |
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May 2004 – Jan. 2006 |
Union Minister of State, Ministry of Defence |
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May 2004-Apr. 2007 |
Union Minister of State, Ministry of Parliamentary Affairs |
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Jan. 2006-May 2009 |
Union Minister of State, Ministry of Chemicals & Fertilizers |
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Apr. 2007-May 2009 |
Union Minister of State, Ministry of Mines |
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2009 |
Re-elected to 15th Lok Sabha (6th term) |
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31 May 2009 – 18 Jan 2011 |
Union Cabinet Minister, Mines; Development of North Eastern Region |
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19 Jan 2011-19 July 2011 |
Union Cabinet Minister, Development of North Eastern Region |
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3 May 2013 |
Member, Committee on Welfare of Other Backward Classes (OBCs) |
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