<P> The Constitution of India is the supreme law of India . It lays down the framework defining fundamental political principles , establishes the structure , procedures , powers and duties of government institutions and sets out fundamental rights , directive principles and the duties of citizens . It is the longest written constitution of any sovereign country in the world . B.R. Ambedkar , the chairman of the Drafting Committee , is widely considered to be its chief architect . </P>
who is considered as architect of india constitution
B.R. Ambedkar