Deekshabhoomi is a sacred monument of Buddhism at the place where Babasaheb Ambedkar converted to Buddhism along with his about 380,000This was Ambedkar's own figure given by him in a letter to Devapriya Valishinha dated October 30, 1956. The Maha Bodhi Vol. 65, p.226, quoted in by Sangharakshita (...) (from Wikipedia)