- Ethnicity--India, Northeastern (4)
- India, Northeastern--Ethnic relations (2)
- India, Northeastern--Politics and government (2)
- Minorities--India, Northeastern (2)
- India, Northeastern--Politics and government--20th century (1)
- India, Northeastern--Social life and customs (1)
- Insurgency--India, Northeastern (1)
- National security--India, Northeastern (1)