Nilakanta Sastri’s take on Dravidian-Aryan divide and the claims on the Indus Valley Civilisation

In his lectures at Patna University in 1964, Sastri quotes J. Burrow, Professor of Oxford University, who had suggested that “Vedic speech was influenced not by the Dravidian languages of history as we know them, but by an earlier form, a sort of proto-Dravidian, which has long preceded them as well as Aryan advent into India”