Question

who done the research of preliminary work for the framing of the constitution
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Answer 1

Explanation:

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The Constituent Assembly set up 13 committees for framing the constitution. On the basis of the reports of these committees, a draft of the Constitution was prepared by a seven-member Drafting Committee under the Chairmanship of Dr B R Ambedkar.

Answer 2

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the constituent Assembly set up 13 committees for framing the constitution. On the basis of the reports of these committees, a draft of the Constitution was prepared by a seven-member Drafting Committee under the Chairmanship of Dr B R Ambedkar.