0Castes in India: Their Mechanism, Genesis and Development was a paper read by B. R. Ambedkar at an anthropological seminar of Alexander Goldenweiser in New York on 9 May 1916. It was later published in volume XLI of Indian Antiquary in May 1917. In the same year, Ambedkar was awarded a Ph.D. degree by Columbia University on this topic. In 1979, the Education Department of the Government of Maharashtra (Bombay) published this article in the collection of Ambedkar's writings and speeches Volume 1; later, it was translated in many languages.In the paper, Ambedkar made a presentation a social phenomenon that emerged from the strategy of the Brahmins who adopted a strictly endogamous matrimonial regime, leading the other groups to do the same in order to emulate this self-proclaimed elite. He said that "the superposition of endogamy on exogamy means the creation of caste."