Columbia subject headings:
Birth control--India--Delhi--Statistics.
Delhi (India)--Statistics, Vital.
Demographic surveys--India--Delhi.
Fertility, Human--India--Delhi.
Health surveys--India--Delhi.
Harvard subject headings:
Families--Health and hygiene--India--Delhi--Statistics.
Health surveys--India--Delhi--Statistics.
Public health--India--Delhi--Evaluation.
Princeton subject headings: