A valid yellow fever certificate is mandatory for all persons including infants who have visited Africa, South America or Papua New Guinea within six days of entering India. The certificate becomes valid ten days after vaccination. India does not require immunization against small pox and Cholera.

Drinking water from the tap is not recommended. Bottled drinking water is available in every hotel room.

During the winter months the city air can become quite smoggy. Asthmatic travelers should carry their medication at all times.