| 1989-91 | Member, Municipal Corporation, Gorakhpur, Uttar Pradesh |
| 1990-91 | Deputy Mayor, Municipal Corporation, Gorakhpur, Uttar Pradesh |
| 1991 | Member, Working Committee, Bharatiya Janata Party (B.J.P.) |
| 1991 | Elected to 10th Lok Sabha |
| 1991-96 | Member, Committee on Papers Laid on the Table Member, Standing Committee on Science and Technology, Environment and Forests |
| 1996 | Re-elected to 11th Lok Sabha (2nd term) |
| 1996-97 | Member, Standing Committee on Communications Member, Joint Committee on Offices of Profit |
| 1998 | Re-elected to 12th Lok Sabha (3rd term) |
| 1998-99 | Member, Standing Committee on Railways, Member, Committee on Petitions, Member, Consultative Committee, Ministry of Civil Aviation |
| 2004 | Re-elected to 14th Lok Sabha (4th term), Member, Standing Committee on Science and Technology, Environment and Forests, Member, Committee on Members of Parliament Local Area |
| 7 Aug. 2007 | Member, Committee on Members of Parliament Local Area Development Scheme (MPLADS) |
| May 2014 | Re-elected to 16th Lok Sabha (5th term) |
| 14 Aug. 2014 - 30 April 2016 | Member, Committee on Public Undertakings |
| 1 Sept. 2014 - 31 Aug. 2018 | Member, Standing Committee on Science & Technology, Environment & Forests, Member, Consultative Committee, Ministry of Rural Development, Panchayati Raj and Drinking Water and Sanitation |
| 19 Oct. 2016 - 25 May 2019 | Member, Standing Committee on Chemicals and Fertilizers |
| 1 Sept. 2018 - 25 May 2019 | Member, Standing Committee on Railways |
| 27 Feb 2019- June 2021 | Chairman, Central Advisory Board Ministry of Labour & Employment, Govt. of India |
| May 2019 | Re-elected to 17th Lok Sabha (6th term) |
| Till 6 July 2022 | Whip BJP Parliamentary Party 16th and 17th Lok Sabha |
| 13 Sep. 2019-7 July 2021 | Member, Standing Committee on Railways Member, Consultative Committee, Ministry of Rural Development, Ministry of Panchayati Raj |
| 7 July 2021- 5 June 2024 | Union Minister of State for Finance, Ministry of Finance |
| June 2024 | Re-elected to 18th Lok Sabha(7th term) |
| 11 June 2024 onwards | Union Minister of State for Finance, Ministry of Finance |
