The Koch dialect
is of Tibeto Burmanorigin. The influence of both Bengali and Assamese
languages is reflected in their dialect.
Koch is a scheduled tribe inhabiting the western parts of
west Garo hills of Meghalaya, certain partsof Assam , Manipur and Tripura. According to the
accepted historical view, the Koch appear to have migrated
from northwest China.
H.M. Bareh. Encyclopedia of North-East
India Mittal Publications. New Delhi.