Gayal are kept by the natives of the hill-districts of Assam and parts of Tenasserim and Upper Burma.
It is peculiar to this tract, not being found in any of the neighbouring countries of Assam, Nepal, Tibet or Bengal, and unites in an eminent degree the two qualities of strength and beauty.
The Patkoi border the plains of Upper Assam to the south-east, and across these hills lies the most reasonable probability of railway extension to Burma.
Gangaw (Messua ferrea) the Assam iron-wood, is suitable for sleepers; and didu (Bombax insigne) is used for tea-boxes and packing-cases.
In the census of 1901 the total Ahom population in Assam was returned at 178,049.