| 1971 onwards |
General Secretary, Jharkhand Mukti Morcha (J.M.M.) |
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| 1980 |
Elected to 7th Lok Sabha |
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| 1986 onwards |
President, J.M.M. |
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| 1989 |
Re-elected to 9th Lok Sabha (2nd term) |
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| 1991 |
Re-elected to 10th Lok Sabha (3rd term) |
|
| |
Leader, J.M.M. Parliamentary Party |
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| 1996 |
Re-elected to 11th Lok Sabha (4th term) |
|
| 8July 1998-18July 2001 and 10April 2002-2June 2002 |
Member, Rajya Sabha |
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| 2002 |
Re-elected to 13th Lok Sabha (5th term) |
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| May 2004 |
Re-elected to 14th Lok Sabha ( 6th term) |
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| May 2004 |
Union Cabinet Minister, Coal and Mines |
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| July 2004 |
Resigned from Union Council of Ministers |
|
| 2 March 2005-11 March 2005 |
Chief Minister, Jharkhand |
|
| 29 January 2006-28 November 2006 |
Union Cabinet Minister of Coal |
|
| 29 November 2006 |
Resigned from Union Council of Ministers |
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| 2008 |
Leader of JMM in Lok Sabha |
|