Population Connection
United Nations Population Fund
This resource attempts to assist developing countries manage their population problems.
Other
Population Education: Homepage
Population Education provides teacher training and a variety of teacher tools to help educators on population concepts such as population growth, overpopulation, our effect on the environment, and related resources.
Other
Census of India
The Indian Census is the largest single source of statistics on the people of India. This is the official site that includes a wealth of statistics.