<P> An idea for a Constituent Assembly was proposed in 1934 by M.N. 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 . On 8 August 1940 , a statement was made by Viceroy Lord Linlithgow about the expansion of the Governor - General 's Executive Council and the establishment of a War Advisory Council . This offer , known as the August Offer , included giving full weight to minority opinions and allowing Indians to draft their own constitution . Under the Cabinet Mission Plan of 1946 , elections were held for the first time for the Constituent Assembly . The Constitution of India was drafted by the Constituent Assembly , and it was implemented under the Cabinet Mission Plan on 16 May 1946 . The members of the Constituent Assembly were elected by the provincial assemblies by a single , transferable - vote system of proportional representation . The total membership of the Constituent Assembly was 389 : 292 were representatives of the states , 93 represented the princely states and four were from the chief commissioner provinces of Delhi , Ajmer - Merwara , Coorg ( Near Madikeri ) and British Baluchistan . </P>
<P> An idea for a Constituent Assembly was proposed in 1934 by M.N. 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 . On 8 August 1940 , a statement was made by Viceroy Lord Linlithgow about the expansion of the Governor - General 's Executive Council and the establishment of a War Advisory Council . This offer , known as the August Offer , included giving full weight to minority opinions and allowing Indians to draft their own constitution . Under the Cabinet Mission Plan of 1946 , elections were held for the first time for the Constituent Assembly . The Constitution of India was drafted by the Constituent Assembly , and it was implemented under the Cabinet Mission Plan on 16 May 1946 . The members of the Constituent Assembly were elected by the provincial assemblies by a single , transferable - vote system of proportional representation . The total membership of the Constituent Assembly was 389 : 292 were representatives of the states , 93 represented the princely states and four were from the chief commissioner provinces of Delhi , Ajmer - Merwara , Coorg ( Near Madikeri ) and British Baluchistan . </P>
presented the idea of indian constituent assembly in pre independence day
presented the idea of indian constituent assembly in pre independence day
M.N. Roy
M.N. Roy