1. Office of the Controller General of Patents, Design & Trademarks
http://patentoffice.nic.in

Patents, Designs, Trademarks and Geographic Indication acts of Government of India can be downloaded from this site.

2. Patent Facilitating Centre
http://www.indianpatents.org.in/info/agent.htm

Lists addresses of patent agents.

3. National Innovation Foundation,
Resource center for helping individual innovators
http://www.nifindia.org
e-mail: Anil K Gupta, anilg@sristi.org