Arunachal Pradesh, the largest state (in terms of area) of the north-eastern region is a land of numerous tribes with a distinct and fascinating culture. The diversity of ethnic groups, languages and religion is seen all over the state.

Broadly, there are three cultural groups known for their distinct socio-religious practices. The first group includes the Monpas and Sherdukpens of Tawang and West Kameng districts. They follow the lamaistic tradition of Mahayana Buddhism.

The second group forms with the people of Adis, Akas, Apatanis, Bangnis, Nishis, Mishmis, Mijis, Thongsas etc., who worship Sun and Moon God as their gods.

The third group comprises of people of the Noctes and Wanchos tribal communities. They are mostly found in the Tirap district. The people have their strict village society headed by a hereditary chief who plays significant role in varied situations. The Noctes are followers of an elementary form of Vaishnavism.