| 1977 |
Elected to 6th Lok Sabha |
| 1977-78 |
Deputy Chief Whip, Congress Parliamentary Party;Member, Joint Select Committee on Railways (Amendment) Bill |
|
;Executive Member, Andhra Pradesh Congress Committee;President, Srikakulam District Congress Committee;Member, National Council of Youth Congress;General-Secretary, Congress Parliamentary Party;Member, Joint Select Committee on Vishwa Bharati (Amendment) Bill;Executive Member, Andhra Pradesh Congress Committee;Member, Joint Select Committee on Criminal Law (Amendment) Bill;Member, Committee on Government Assurances;Member, Business Advisory Committee;Secretary, Congress Parliamentary Party;Member, Committee on Rural Development;Member, Committee on Science & Technology, Forests & Environment;Vice-President, India and Peru Parliamentary Friendship Group;Member, Business Advisory Committee;Member, Consultative Committee, Ministry of Defence |
| 1979 |
General Secretary, All India Congress Committee |
| 1979-80 |
Union Minister of State, Ministry of Steel, Mines and Coal;Member, All India Congress Committee |
| 1980 |
Re-elected to 7th Lok Sabha (2nd term);Member, Joint Select Committee on Railways (Amendment) Bill |
| 1980-89 |
Chief Whip, Congress (S) Parliamentary Party |
| 1981-82 |
Member, Committee of Privileges |
| 1982-84 |
Member, Estimates Committee |
| 1983-93 |
General-Secretary, A.I.C.C. (S) |
| 1984 |
Re-elected to 8th Lok Sabha (3rd term) |
| 1986 |
Member, Joint Committee on the Railways Bill, 1986 |
| 1994-96 |
Member, Committee on Communications, Information and Broadcasting |
| 1994-2000 |
Member, Rajya Sabha |
| 1995 |
Chairman, Select Committee on Trade Marks Bill, Rajya Sabha;Member, Consultative Committee, Ministry of Food Processing Industries, Railways, Surface Transport, Planning and Civil Aviation |
| 1995-2000 |
Member, Rules Committee, Rajya Sabha |
| 1996-98 |
Member, Committee on Human Resource Development and Committee on Health and Family Welfare |
| 1996-2000 |
Member, Hindi Salahkar Samiti, Department of Heavy Industry and Public Enterprises, Ministry of Industry |
| 1997-2000 |
Member, Central Advisory Committee on Territorial Army, Ministry of Defence;Member, Joint Committee of Parliament on the Salary,
Allowances and Pensions of Members |
| 1997-98 |
Member, Committee on Public Undertakings;Member, Committee on Defence |
| 2004 |
Re-elected to 14th Lok Sabha (4th term);Member, Committee on Estimates |
| 2005-2006 |
Chairman, Joint Parliamentary Committee (JPC) on Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Bill |
| Feb. 2006 to Mar. 2006 |
Chairman, Committee to Inquire into Allegations of Improper Conduct on the part of some Members of Parliament on the matter of Implementation of MPLAD Scheme |
| 25 Aug. 2006-2009 |
Chairman, Committee of Privileges |
| 2007-2008 |
Member, Joint Parliamentary Committee to examine the Constitutional and Legal Position relating to Office of Profit;General-Secretary, A.I.C.C. In-Charge of Bihar State Congress |
| May 2007 -May 2009 |
Chairman, Committee to Inquire into Misconduct of Members of Parliament (Lok Sabha) |
| 2007 onwards |
Member, Congress Working Committee (CWC) |
| 5 Aug. 2007 |
Member, Committee on Rural Development |
| Jul. 2008-Dec. 2008 |
Chairman, Committee to Inquire into the complaint made by some members regarding alleged offer of money to them in connection with voting on the Motion of Confidence;President, India and Bulgaria Parliamentary Friendship Group |
| 2009 |
Re-elected to 15th Lok Sabha (5th term) |
| 6 Aug. 2009 |
Chairman, Committee on Public Undertakings;Member, Governing Council, Indian Institute of Management, Lucknow |
| 31 Aug. 2009 |
Member, Committee on Transport, Tourism and Culture |
| 1 May 2010 |
Chairman, Committee on Public Undertakings ;Member, General Purpose Committee |
| July 2011 onwards |
Union Cabinet Minister, Tribal Affairs;Union Cabinet Minister, Panchayati Raj |
