The present Constitution was framed by the Consituent Assembly of India set up under Cabinet Mission Plan of May 16, 1946.
Constituent Assembly consisted of 385 members, of which 292 were
elected by the elected members of the provincial Legislative Assemblies
while 93 members were nominated by the Princely States. To these were to
be added a representative each from the four chief Commissioners
provinces of Delhi, Ajmer-Marwar, Coorg and British Baluchistan.Each
Province and each Indian state or Group of States were allotted the
total number of seats proportional to their respective population
roughly in the ratio of one to a million.Mr. B N Rao was the Constitutional Advisor of the Assembly.The
first meeting of the Constitution Assembly was on 9th December 1946 in
which Dr. Sachidanand was the interim President of it. On December 11,
1946 Dr. Rajendra prasad was elected as its president.There was 13 Committees for framing the Constitution.The
all Important the Committee who take the responsibility of drafting the
Constitution called Drafting Committee formed on 29th August, 1947.