The demand officially made by the Congress for a Constituent Assembly to frame the Constitution of India was accepted in principal by the British government in what is known as

Answer: Option D

August Offer of 1940. Roy, a pioneer of the Communist movement in India and an advocate of radical democracy. It became an official demand of the Indian National Congress in 1935, C. Rajagopalachari voiced the demand for a Constituent Assembly on 15 November 1939 based on adult franchise, and was accepted by the British in August 1940.