Is it ensure, insure, or assure?
group of aboriginal peoples (now referred to as scheduled tribes) of central India, about 2 million in number. They live in the states of Madhya Pradesh, Maharashtra, Andhra Pradesh, Bihar, and Orissa. The majority speak various and, in part, mutually unintelligible dialects of Gondi, an unwritten language of the Dravidian family. Some Gond have lost their own language and speak Hindi, Marathi, or Telugu, depending on which is dominant in their area.