The maximum concentration of Asamiya , Bangla and Nepali speakers are found in the East Khasi hills district. Asamiya speakers and some Rabha and Koch speakers belonging to the Boro-Garo group of the T.B.stock are found in certain parts of West Garo hills district bordering Assam. Rabha speakers are found in the northern parts and the Koch speakers are found in the western part and to the south Hajong (now a lesser known Indo-Aryan language which seems to point to a Tibeto-Burman origin). Karbi belonging to the Kuki-Chin group is found in areas bordering the Karbi-Anglong district of Assam in the East Khasi hills district of Meghalaya.