The correct option is
D Sardar Patel
The Constituent Assembly appointed a number of committees to deal with different tasks of constitution-making. Out of these, eight were major committees and the others were minor committees. The names of the major committees and their chairmen are given below :
1. Union Powers Committee – Jawaharlal Nehru
2. Union Constitution Committee – Jawaharlal Nehru
3. Provincial Constitution Committee – Sardar Patel
4. Drafting Committee – Dr B.R. Ambedkar
5. Advisory Committee on Fundamental Rights, Minorities and Tribal and Excluded Areas – Sardar Patel
6. Rules of Procedure Committee – Dr Rajendra Prasad
7. States Committee (Committee for Negotiating with States) – Jawaharlal Nehru
8. Steering Committee – Dr Rajendra Prasad