| 1. After obtaining an LLB degree, he began his legal practice at the Calcutta High Court in 1981. |
| 2. He entered politics in 1991 by joining the Indian National Congress and chaired the West Bengal Youth Congress until 1997. |
| 3. Recognized as a senior advocate of the Calcutta High Court in 2004. |
| 4. Represented the Parliamentary Team of the United General Assembly during visits to the U.K. and the U.S.A. in October 2009. |
| 5. Assumed the role of chairman of the Standing Committee on Coal and Steel on August 31, 2009. |
| 6. Responsibilities included leading various parliamentary committees like the Consultative Committee on the Ministry of Home Affairs, Committee on Privileges, and others. |
| 7. Sole representative of the CPA India Union at the CPA Global Seminar in Vienna, Austria, discussing the “Role of Parliaments and Extractive Industries” in October 2013. |
| 8. In subsequent parliamentary terms, he was involved in committees such as the House Committee, Committee on Estimates, and others. |
| 9. Advocated significant cases including the Rizwanur Rahman Case, Nandigram Matter, and many land acquisition cases. |
| 10. He is also a senior advocate of the Supreme Court of India. |
