The koyas tribe is an indigenous ethnic group of the tribal society. There are some authors who have described the tribes into many sections, but general classification of tribes is nine Andh, Bhil,Chenchu or Chenchwar,Gond (including Naikpod and Raj Gond), Hill Reddis or KondaReddis, Kolam (including Mannarvarlu), Koya (including BhineKoya and RaiKoya), Pardhan, Thoti. types such as They have their own cultural identity, which is depleting from the society. They are unique in their identity, language, dresses, profession/occupations and cultural practices. In the belief system they have changed their thought and religion, which has brought great impact in their life style system. The role and impact of globalization, industrialization and westernization on tribes cannot be ignored. Both internal and external factors are often responsible for the changing of culture and identity. The customary law of occupied it’s an important place to maintain and preservation of language, culture, tradition and their rights.