Columbia subject headings:
Ethnicity--India, Northeastern--Congresses.
India, Northeastern--Social conditions--Congresses.
Peace movements--India, Northeastern--Congresses.
Social movements--India, Northeastern--Congresses.
Harvard subject headings:
Ethnicity--India, Northeastern--Congresses.
India, Northeastern--Social conditions--Congresses.
Peace movements--India, Northeastern--Congresses.
Social movements--India, Northeastern--Congresses.
Princeton subject headings: