Ollo Naga
The Ollo people, also known as the Lazu Naga, are a Tibeto-Burman ethnic group mostly resides in the Northeast Indian state of Arunachal Pradesh and some in the Naga Self-Administered Zone in Myanmar. They inhabit 12 villages under Lazu circle in Tirap district. However, due to lack of official recognition from Government of Arunachal Pradesh they are considered a subgroup of ethnic Nocte people. Festival
They celebrate "Woraang" festival. It is one of the colorful festivals of India. 