Adivasis are indigenous people as they are historically disadvantaged and backward. They are known by different names such as nation people, tribals, vanavasis, Girijans etc. They are also called aboriginals because they were dwelling on their lands before settlers or outsiders came from elsewhere to settle there. They are inhabited a geographical region when outsides having different cultures or ethnic origins arrived there. The outsiders became a dominant group through different measures like conquest, occupation, settlement etc. They are different from outsiders from the different point of view like complexion, language, faith, food habit, and a host of other things. The United Nations Organizations in its report that indigenous communities, people and nations are those which having a historical continuity with preinvasion and pre-colonial societies that in their territories consider themselves distinct from other sectors of societies.