The Galos are one of the major communities which dominate Siang, Lepa Rada, Upper Subansiri and Namsai districts of Arunachal Pradesh.The Galos belong to the Tani group inhabiting Assam and Arunachal Pradesh, besides Tibet,Communities like the Mising (Assam), Adi, Apatani, Nyishi, Tagin, and Galos trace their common origin to a primaeval ancestor, Abotani. Among all the communities only the Galos maintain genealogy through given names.Galo community has been recognized as a Scheduled Tribe in the Amendment to the Constitution (ST), Order, 1950, Part-XVIII, Mopin is the main festival in Galos which is celebrated for the prosperity of the villages The Galos perform Popir dance.