Tripura
The insurgent groups in Tripura were emerged in the end of the 1970s, as ethnic tensions between the Bengali immigrants and the tribal native population who were outnumbered by the former hailing from mainland India and nearby Bangladesh which resulted in their being reduced to minority status even threatening them economically,socially, culturally which thus resulted in a clarion call of safeguarding tribal rights and cultures.Such being the extent of desperation naturally resulted in hatred and suspicion and as such their status is classified as very active.
Read more about this topic: Insurgency In Northeast India