The setting up of Nag dynasty among the Munda and tribes is looked upon by some as the acculturation process, while other consider it as spatial expansion of the OraonNaga and Chero Kingdom who were once the rulers of central part of India.The article presents a fresh look on the problem and also investigates into the inception of Nag dynasty on the basis of ethno-history of the people. The interest in the study of state formation among the tribal communities of India was recently aroused by tw