Explanation:

The Toto tribe, with fewer than 1,600 members, lives in Totopara village, West Bengal, near the Bhutan border. They are a Tibetan-Mongoloid ethnic group and are considered one of the most endangered tribes, categorized as a Particularly Vulnerable Tribal Group (PVTG). Their language, Toto, is Sino-Tibetan, written in the Bengali script. Totos are endogamous and follow a unique culture of having only one wife and opposing dowry practices. They live in elevated bamboo huts with thatched roofs and are facing identity struggles and poor infrastructure.