Correct option is B
The correct answer is (b) Dr. B.R. Ambedkar.
• Dr. Bhimrao Ramji Ambedkar served as the Chairman of the Drafting Committee of the Constituent Assembly formed on 29 August 1947.
Information Booster:
• The Drafting Committee had 7 members.
• Ambedkar is known as the Chief Architect of the Indian Constitution.
• The Constitution was adopted on 26 November 1949 and came into force on 26 January 1950.
• Other members: Alladi Krishnaswamy Ayyar, K.M. Munshi, N. Gopalaswami Ayyangar, etc.
• Ambedkar emphasized equality, liberty, fraternity, and justice in constitutional design.