1985-91 |
General-Secretary, Indian National Trade Union Congress (I.N.T.U.C.), Assam |
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1986 onwards |
Member, All India Congress Committee (Indira) [A.I.C.C. (I)] |
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1989-91 |
General-Secretary, Pradesh Congress Committee (Indira) [P.C.C.(I)], Assam |
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1991 |
Elected to 10th Lok Sabha |
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1991-93 |
Union Deputy Minister, Labour |
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1993-95 |
Union Deputy Minister, Health and Family Welfare |
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1995-96 |
Union Minister of State, Health and Family Welfare |
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1996 |
Re-elected to 11th Lok Sabha (2nd term) |
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1996-2004 |
Member, Executive Committee, Congress Parliamentary Party (C.P.P.) |
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1996 |
Member, Committee on the Welfare of Scheduled Castes and Scheduled Tribes |
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1996-98 |
Member, Committee on Government Assurances |
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1996-2004 |
Member, Committee on Petroleum and Chemicals |
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1996-2004 |
Member, Consultative Committee, Ministry of Civil Aviation |
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1997 onwards |
Vice-President, I.N.T.U.C. |
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1998 |
Re-elected to 12th Lok Sabha (3rd term) |
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1998-2002 |
Secretary, C.P.P. (two terms) |
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1998-99 |
Member, Committee on Petroleum and Chemicals |
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Member, Committee on the Welfare of Scheduled Castes and Scheduled Tribes; and Convenor of its Sub-Committee on Monitoring and Implementation of reservation orders in respect of SCs and STs |
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Member, Joint Committee on Salaries and Allowances of Members of Parliament |
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Member, Select Committee on the Constitution (Scheduled Tribes) Order (Amendment) Bill, 1996 |
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Member, Consultative Committee, Ministry of Civil Aviation |
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1999 |
Re-elected to 13th Lok Sabha (4th term) |
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1999-2004 |
Member, Committee on Subordinate Legislation |
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Member, Committee on Petroleum and Chemicals |
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Member, Committee on Official Language |
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2000-2004 |
Member, Consultative Committee, Ministry of Civil Aviation |
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2002-04 |
President, Assam Pradesh Congress Committee |
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2005-10 |
Chairman (PRO), Congress Organisation Election, U.P. (two terms) |
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2008-09 |
Co-ordinater, AICC, Orissa and Jharkhand |
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2009 |
Re-elected to 15th Lok Sabha (5th term) |
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Jun. 2009 onwards |
Chief Whip, Congress Parliamentary Party, Lok Sabha |
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Member, Business Advisory Committee |
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31 Aug. 2009 |
Member, Committee on Energy |
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23 Sep. 2009 |
Member, Committee of Privileges |
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Member, Committee on Subordinate Legislation |
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Oct. 2009 |
Member, Consultative Committee, Ministry of Petroleum and Chemicals |
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July 2011 |
Union Minister of State (Independent Charge), Development of North Eastern Region |
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July 2011 – Oct. 2012 |
Union Minister of State (Independent Charge), Parliamentary Affairs |
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