Original: However, many are also descended from Austro-Asiatic and Dravidian peoples, and closely related to the Assamese, Biharis and other East Indians, as well as to Munda and Tibeto-Burman peoples.
Simplified: They are an eastern Indo-Aryan people, who are also descended from Austro-Asiatic and Dravidian peoples, and closely related to the Assamese, Biharis and other East Indians, as well as to Munda and Tibeto-Burman peoples.