Land-water interface production systems in peri-urban Kolkata
- This site provides an overview of the current status of farming in peri-urban Kolkata, the challenges faced by producers and opportunities to enhance the livelihoods of the poor.
- http://www.dfid.stir.ac.uk/dfid/nrsp/kolkata.htm

The Indian Science Congress Association, Kolkata
- The Kolkata based Indian Science Congress Association advances and promotes the cause of science in India. It holds an annual congress in different Indian cities.
- http://www.sciencecongress.org/

Birds of Kolkata
- Photo guide to common birds of the city, with brief descriptions. New sections on birds of the eastern Himalayas and waterbirds.
- http://www.kolkatabirds.com/