The North East region of India is known for its rich cultural diversity, with numerous ethnic groups, languages, identities and traditions coexisting in harmony. However, this region has also experienced its share of ethnic conflicts and communal violence over the years. The complexities of ethnicity and the history of inter-community tensions have contributed to occasional outbreaks of violence, leading to significant challenges in maintaining peace and stability. This article delves into the underlying factors that contribute to ethnicity-based communal violence in North East India and explores potential solutions to foster harmony and unity among the diverse communities. North East India comprises eight states with distinct ethnic identities and historical backgrounds. The region has over 200 ethnic groups, including Nagas, Kukis, Meiteis, Assamese, Bodos, and many others. The concept of ethnicity is deeply embedded in the cultural fabric of these communities, shaping their language, customs, and social structures. Ethnicity-based communal violence often arises from a sense of identity and belonging. Conflicts often emerge when communities perceive threats to their identity, language, cultural, political, or economic rights. Historical grievances, land disputes, and resource competition exacerbate tensions, leading to outbreaks of violence. KEYWORDS: Language, Identity Assertion, Ethnicity, Culture and Communities.