Columbia subject headings:
Birth control--India--Tripura.
Children--Health and hygiene--India--Tripura.
Fertility, Human--India--Tripura.
Health surveys--India--Tripura.
Public health--India--Tripura.
Harvard subject headings:
Birth control--India--Tripura.
Families--Health and hygiene--India--Tripura.
Health surveys--India--Tripura.
Princeton subject headings: