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| 1995-96 | Pradhan, Panchayat Samiti, Rai Singh Nagar |
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| 1996 | Elected to 11th Lok Sabha |
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| 1998 | Member, Rajasthan Legislative Assembly |
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| 1999 | Re-elected to 13th Lok Sabha (2nd term) |
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| 1999-2000 | Member, Standing Committee on Science & Technology, Environment & Forests |
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| 2000-2004 | Member, Consultative Committee, Ministry of Defence |
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| 2004 | Re-elected to 14th Lok Sabha (3rd term) |
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| Member, Committee on Private Members`s Bills and Resolutions |
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| Member, Standing Committee on Agirculture |
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| 5 Aug. 2007 | Member, Standing Committee on Health & Family Welfare |
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| May, 2014 | Re-elected to 16th Lok Sabha (4th term) |
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| 27 May 2014 - 9 Nov. 2014 | Minister of State in the Ministry of Chemicals and Fertilizers |
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| 9 Nov. 2014 - 5 July 2016 | Minister of State in the Ministry of Panchayati Raj |
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| 1 Sep. 2016 - 25 May 2019 | Member, Standing Committee on Human Resource Development |
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| May, 2019 | Re-elected to 17th┬аLok Sabha (5th┬аterm) |
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| 13 Sept. 2019 onwards | Member, Standing Committee on Water Resources |
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