B.R. Ambedkar was elected to the Constituent Assembly from

1. The question asks from which constituency B.R. Ambedkar was elected to the Constituent Assembly. 2. Initially, in 1946, Dr. Ambedkar was elected to the Constituent Assembly from the Bengal province, representing the Scheduled Castes Federation. 3. However, after the partition of India in 1947, the constituencies from Bengal from which he was elected became part of Pakistan. 4. Subsequently, he was re-elected to the Constituent Assembly, this time from the Bombay Presidency, filling a vacancy caused by the resignation of M.R. Jayakar. He served as the Chairman of the Drafting Committee.