North -East India has been occupying a unique position in Indian politics. This multi ethnic society comprises the states of Assam, Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, Tripura, and the Himalayan State of Sikkim. North East India, the entire region is an area which is a house of many internal strife and conflicts. Pending border disputes, insurgencies and terrorist problems, resources sharing disputes are some common problems which have made this region quite turbulent. North East India is home to large number of ethnic groups who came from different directions at different historical times. These groups belong to different racial stocks, speak different languages and have varied socio-cultural traditions. However the alienation of ethnic people in different socio-economic and political sphere led to the emergence of ethnic assertion and ethnic conflict in northeastern region. An ethnic group is a group, whose members identify with each other, through a common heritage, often consisting of common language, common culture, common religion and an ideology that stresses common heritage or endogamy. Ethnic group within a diverse society may vary from one another in terms of numerical strengths, political inclination, socio economic connections, impact of national affairs and communal cohesion.