https://books.google.com/books?id=bCkaAQAAIAAJ&q=brahui+language+gulf+states&dq=brahui+language+gulf+states&hl=nl&sa=X&ei=PbCVVZSpJoO9ygPxw4SwCg&ved=0CEkQ6AEwCA "International Journal of Dravidian Linguistics, Volumes 36-37"] department of linguistics, University of Kerala It is isolated from the nearest Dravidian-speaking neighbour population of South India by a distance of more than 1500 kilometers .