The creation of a Constituent Assembly of India was demanded by the Indian National Congress as far back as 1936. However, it would only come to light in 1946 on the eve of Indian independence.
Jawaharlal Nehru addressing the Constituent Assembly of India, 10 December 1946
Source: Unknown author, Public domain, via Wikimedia Commons
The constituent assembly would form the basis for the drafting of the Union of India’s constitution.