The ideas of who belongs and who does not, who is an insider and who is an outsider have sparked severe friction in Northeast India for decades now. From the frequent characterization of Bengal-origin Muslims in Assam as illegal Bangladeshi immigrants to the ethnic battles between the Meiteis and Kuki-Zo tribals of Manipur, from the Naga and Mizo separatist insurgencies to the prejudice the tribal minorities face in the mainland--negotiating identity has always been a complex issue. In recent years the National Register of Citizens and the Citizenship Amendment Act have added to that complexity.