1980-98
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Member, Orissa Legislative Assembly (four terms)
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1989
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Chairman, Estimates Committee, Orissa Legislative Assembly
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1990-95
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Cabinet Minister, Public Grievances and Pensions and Administration, Govt. of Orissa
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1998
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Elected to 12th Lok Sabha
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1998-99
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Member, Standing Committee on Railways
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Member, Consultative Committee, Ministry of Power
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1999
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Re-elected to 13th Lok Sabha (2nd term)
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1999-2000
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Member, Standing Committee on External Affairs
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Member, Committee on Government Assurances
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2002-2003
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Member, Committee on Public Undertakings
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2002-2004
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Member, Standing Committee on Transport, Tourism & Culture
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Member, Library Committee
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Member, Consultative Committee, Ministry of Railways
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2004
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Re-elected to 14th Lok Sabha (3rd term)
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Member, Standing Committee on Petroleum and Natural Gas
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Member, Consultative Committee, Ministry of Civil Aviation
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Member, Official Languages
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2009
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Re-elected to 15th Lok Sabha (4th term)
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Member,Commitee of Parliament on Official Languages
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Member, Consultative Committee, Ministry of Civil Aviation
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31 Aug. 2009
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Member, Standing Committee on Defence
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May 2014
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Re-elected to 16th Lok Sabha (5th term)
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1 Sept. 2014 - 6 April 2018
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Member, Standing Committee on Industry
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Member, Consulative Committee, Ministry of Health and Family Welfare
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Member,Commitee of Parliament on Official Languages
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6 April 2018 onwards
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Member, Standing Committee on Home Affairs
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