| No. |
Start |
End |
Position |
| 1 | 1987 | 1991 | Member, 10th Vidhan Sabha |
| 2 | 1991 | 1996 | Member, 11th Vidhan Sabha |
| 3 | 1996 | 1998 | Member, 12th Vidhan Sabha |
| 4 | 1998 | 1999 | Member, 12th Lok Sabha |
| 5 | 1998 | 1999 | Member, Committee on Public Undertakings |
| 6 | 1998 | 1999 | Member, Business Advisory Committee |
| 7 | 1998 | 1999 | Member, Committee on Urban and Rural Development |
| 8 | 1998 | 1999 | Member, Committee on Communications |
| 9 | 1998 | 1999 | Member, Consultative Committee, Ministry of Railways |
| 10 | 1999 | 2004 | Member, 13th Lok Sabha |
| 11 | 1999 | 2000 | Member, Committee of Privileges |
| 12 | 1999 | 2000 | Member, Committee on Finance |
| 13 | 1999 | 2000 | Member, Committee on Members of Parliament Local Area Development Scheme |
| 14 | 1999 | 2000 | Member, Committee on Labour and Welfare |
| 15 | 1999 | 2000 | Member, Committee on Public Undertakings |
| 16 | 1999 | 2000 | Member, Joint Parliamentary Committee on Wakf Board |
| 17 | 2000 | 2001 | Member, Committee on Public Undertakings |
| 18 | 2000 | 2004 | Member, Consultative Committee, Ministry of Railways |
| 19 | 2006 | 2009 | Member, 14th Vidhan Sabha |
| 20 | 2009 | 2014 | Member, 15th Lok Sabha |
| 21 | 2009 | 2014 | Member, Committee on Finance |
| 22 | 2009 | 2014 | Member, Consultative Committee on Defence |
| 23 | 2011 | 2014 | Leader, Trinamool Congress Parliamentary Party, Lok Sabha |
| 24 | 2011 | 2012 | Union Minister of State, Health and Family Welfare |
| 25 | 2014 | 2019 | Member, 16th Lok Sabha |
| 26 | 2014 | 2019 | Member, Business Advisory Committee |
| 27 | 2014 | 2019 | Leader, AITC Party in Lok Sabha |
| 28 | 2014 | 2019 | Member, Public Accounts Committee |
| 29 | 2014 | 2019 | Member, Committee on Finance |
| 30 | 2014 | 2019 | Member, Joint Committee on Salaries & Allowances of Members of Parliament |
| 31 | 2014 | 2019 | Member, Consultative Committee, Ministry of Civil Aviation |
| 32 | 2014 | 2019 | Member, Committee on Member of Parliament Local Area Development Scheme |
| 33 | 2014 | 2019 | Member, Joint Parliamentary Committee on Maintenance of Heritage Character and Development of Parliament House Complex |
| 34 | 2015 | 2019 | Member, General Purposes Committee, Lok Sabha |
| 35 | 2016 | 2019 | Chairperson, Standing Committee on Railways |
| 36 | 2018 | 2019 | Member, Samsad (Court) of Viswa-Bharati |
| 37 | 2019 | onwards | Member, 17th Lok Sabha |
| 38 | 2019 | onwards | Member, Business Advisory Committee |
| 39 | 2019 | onwards | Chairperson, Standing Committee on Food, Consumer Affairs and Public Distribution |
| 40 | 2019 | onwards | Member, Committee on Govt. Assurances |
| 41 | 2019 | onwards | Member, General Purposes Committee, Lok Sabha |
| 42 | 2019 | onwards | Member, Consultative Committee, Ministry of Civil Aviation |
| 43 | 2020 | onwards | Member, Samsad (Court) of Viswa-Bharati |
