<P> The Constituent Assembly's resolution setting up the Drafting Committee, under the chairmanship of B.R. Ambedkar, declared that it was being set up to "Scrutinise the Draft of the text of the Constitution prepared by the Constitutional Adviser giving effect to the decisions taken already in the Assembly and including all matters ancillary thereto or which have to be provided in such a Constitution, and to submit to the Assembly for consideration the text of the Draft Constitution as revised by the Committee ." There already was a Draft in existence when this Committee was set up . </P> <P> The President of the Constituent Assembly Rajendra Prasad, before signing the Constitution on 26 November 1949, thanked Rau for having "worked honorarily all the time that he was here, assisting the assembly not only with his knowledge and erudition but also enabled the other members to perform their duties with thoroughness and intelligence by supplying them with the material on which they could work ." Rau was not a member of the assembly but was perhaps as important in the framing of the Constitution . </P> <P> Rau also assisted in drafting the early Constitution of Myanmar, or Burma, as it was then known . He met with U Aung San, Burma's Prime Minister, in New Delhi in December 1946, who invited him to assist in drafting Burma's Constitution . Burma's Constitutional Advisor was deputed to New Delhi in April, 1947 where they worked together to collect research materials, and prepared a first draft that was taken back to Rangoon for modifications by a Drafting Committee . The Constitution was adopted on September 24, 1947 . Rau went to Rangoon (now Yangon) to witness the final draft of the Constitution being passed by the legislature . </P> <P> Rau served India as a representing delegate in the United Nations . From 1949 to 1952 he was India's Permanent Representative to the UN, till he was appointed as a Judge of the International Court in The Hague . He also served as the President of the United Nations Security Council in June 1950 . </P>

Who assisted the constituent assembly in framing the constitution of india
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