The correct answer is 29 August, 1947.On 29 August 1947, the Constituent Assembly set up a Drafting Committee under the Chairmanship of Dr. B.R. Ambedkar to prepare a Draft Constitution for India.While deliberating upon the draft Constitution, the Assembly moved, discussed, and disposed of as many as 2,473 amendments out of a total of 7,635 tabled.The Constitution of India was adopted on 26 November 1949 and the hon'ble members appended their signatures to it on 24 January 1950.In all, 284 members actually signed the Constitution.On that day when the Constitution was being signed, it was drizzling outside and it was interpreted as a sign of a good omen.The Constitution of India came into force on 26 January 1950.On that day, the Assembly ceased to exist, transforming itself into the Provisional Parliament of India until a new Parliament was constituted in1952.Additional InformationDrafting Committee:Chairman - Dr B. R. AmbedkarOther 6 members -K.M.MunshiMuhammed SaadulahAlladi Krishnaswamy IyerGopala Swami AyyangarN. Madhava Rao (He replaced B.L. Mitter )T. T. Krishnamachari (He replaced D.P. Khaitan)