The correct answer is: a) Wancho.
The Wancho are a tribe of people who live in the Indian state of Arunachal Pradesh. They are renowned for their elaborate wooden masks, which are used in rituals and dances. The masks are often made from a single piece of wood and can be very intricate. They are decorated with paint, feathers, and other materials. The masks are used to represent a variety of spirits and animals. They are believed to have the power to protect the wearer from harm and to bring good luck.
The Monpa are a tribe of people who live in the Indian state of Arunachal Pradesh. They are not renowned for their elaborate wooden masks.
The Idu Mishmi are a tribe of people who live in the Indian state of Arunachal Pradesh. They are not renowned for their elaborate wooden masks.
The Khamti are a tribe of people who live in the Indian state of Assam and the Burmese state of Shan. They are not renowned for their elaborate wooden masks.