Arunachal Pradesh is a land of festival. Not even a single month is allowed to pass off without a festival. Etor, the name of a huge festival of Adi community in East Siang district draws no less foreign and domestic tourists. It is, precisely, a agriculture-based festival with traditional pomp and gaiety in various parts of the state.

The Solung is the main socio-religious festival of Adi community. The  festival is primarily connected with the agricultural activities of the people which can be compared with the three Bihus of the Assamese people, as they are also socio-religious in nature, which has a close connection with agricultural.