In 1949-1950 B.R.Ambedkar approached the Adi Dharm leaders at Delhi to get absorbed his followers into Adi Dharma. Due to bitter debates in the Constituent Assembly with Brahmo members and over the Hindu Validity Marriages Validity Act 1949, he could not be accommodated within the Adi Dharma principles. This was chiefly due to his insistence on denouncing Manu - paradoxically respected by Adi Dharma's founding father's as a great Law Giver. Thereafter in about 1955 Ambedkar and his followers instead chose to join Buddhism.
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