(b) The Bhutias and Lepchas are from Sikkim. Toda people are a Dravidian ethnic group who live in the Nilgiri Mountains of Tamil Nadu.The Garos are a Tibeto-Burman ethnic group in Meghalaya, Assam,Tripura, and Nagaland. Birhor people are tribal/Adivasi forest people, traditionally nomadic, living primarily in the Indian state of Jharkhand.