Section 2(c) in The Arunachal Pradesh Freedom Of Religion Act, 1978
(c)“Indigenous faith” means such religions, beliefs and practices including rites, rituals, festivals. Observances, performances, abstinence, customs as have been found sanctioned, approved, performed by the indigenous communities of Arunachal Pradesh from the time these communities have been known and includes Buddhism as prevalent among the Monpas, Membas, Sherdukpens, Khambas, Khamptis and Singphos, Vaishnavism as practiced by Noctes, Akas and Nature worships, including worships of Donyi-Polo, as prevalent among other indigenous communities of Arunachal Pradesh;
