Who was the chairman of the drafting committee of Indian Constitution ?

The Constituent Assembly set up a Drafting Committee under the Chairmanship of Dr. B.R. Ambedkar on 29 August 1947 to prepare a draft Constitution for India. A draft Constitution was prepared by the committee and submitted to the Assembly on 4 November 1947. The Constituent Assembly adopted the Constitutionon 26 November 1949