Non-Indic sustrate vocabulary

[anthony.appleyard@umist.ac.uk]

PS: What is current belief about the Dravidian outliers Brahui and Kurukh
and Malto?
(1) Some say they are genuine surivivals.
(2) Some say that the Brahui are descended from soldiers recruited in south
India and dumped in Baluchistan, and that the Kurukh and Malto immigrated
from south India.
But is (2) derived from a proper chronicled account? Or is it derived from
tales invented by a wandering storyteller who noticed the resemblance in
language and made long stories out of it?