There is no such thing as an Aryan and Dravidian race. It's a regional identity, not a racial identity. In Sanskrit, Arya means a noble person. It's a quality, not a racial identity. read more
Tamil Non-brahmin Hindus: They were a mixed race of early tamils, dravidians and bit of aryans. Dalits/Athi thamizhar - They are original tamils or they descended from africa. STOP FUSSING about origins. read more
Caste system in India is believed to have originated with the arrival of the Aryans who chose the classes of Brahmins (priestly class), Kshatriyas (rulers or kings) and Vaishyas (businessmen) and left the lowly category of sudras (untouchables) for the Dravidians and the descendants of Aryans that were a result of cross between Aryans and the local Dravidians. read more