Asian Adventures : natural wildlife and with more adventure.
Bandipur National Park:  wild life in Karnataka 
Corbett Hideaway : wildlife safaris.
Great Himalayan National Park : wildlife park in Himachal Pradesh  
Indian Wildlife Club : feel the beauty of wildlife
Indian Wildlife Reserves : A informative site on wildlife sanctuaries and national parks
Jungle Lodges & Resorts Ltd. : wildlife resorts, sanctuaries, camps.
Kazirang National Park : wildlife park  in Assam
Lawania Adventures P Ltd. : wildlife adventure.   
Periyar National Park : information about Periyar wildlife sanctuary of Kerela
Rajaji National Park : wildlife sanctuary for conservation with tariff, location, guide etc.
Ranthambhor.com : information about tigers, slides, national parks etc.
Sanjay Gandhi National Park – Also called as Borivili National Park
Sariska Tiger Reserve – more tigers of Rajasthan 
Sundarban National Park – about Royal Bengal tiger
Sunderbans National Park & Tiger Reserve : wildlife park in West Bengal
The Gir National Park : wildlife sanctuary in Gujarat  
Tiger Camp : wildlife safaris, tigers, bird watching and nature activities. 
Water bird Sanctuaries in India : information about water bird sanctuary.
Wild India : information about wildlife sanctuaries.
Wildlife Chronicle : site on Indian wildlife sanctuaries.
Wildlife Spots : some of the most beautiful parks and sanctuaries
Wildlife in Andhra Pradesh :  about wildlife sanctuary in Andhra Pradesh
Wildlife in Bihar : wildlife sanctuary  in Bihar
Wildlife resorts in Karnataka – wild life
Wildlife : a website with links related to wild life sanctuaries and parks  
Indian wildlife:  Information on Wildlife in India.
Indian Birds: Information, photographs of migratory & native birds.
Great Himalayan National Park:  Wildlife park in Himachal Pradesh. 
Indian wildlife portal: Website on Wildlife in India.
Pictures of Animals: Pictures of Indian Wildlife
Himalayan marmots: Find out about Whistle Pigs.
Wildlife Club: Know the great Indian wildlife.
Jungle Lodges.com: Information on wildlife resorts, sanctuaries, camps etc.
Kaziranga National Park: Famous for the one-horned rhino, this national park lies in Assam.
Manas Sanctuary & Tiger Reserve -Reflects Tiger conservation, India's concern.
Periyar National Park (Kerala):  famous Indian National Park in Kerala.
Ranthambor.com - A popular game reserve near Sawai Madhopur, Rajasthan.
Thekkady.com: a cyber journey to this beautiful wildlife.
Andhra Pradesh Wildlife - Wildlife information in Andhra Pradesh
BiharWildlife -Know about the Wildlife in Bihar state.
Bannerghata National Park-Bangalore -A wildlife sanctuary with Safari Park near Bangalore
Waterbird Sanctuaries-Information on water bird parks in India.
Wild Life map -This famous Indian map site has some interesting wild life maps. 
Bengal Tigers of India-Wildlife tiger safaris in India.
Environment Education- Materials for research, articles and publication on environment.
Bombay Natural History Society: the oldest conservation organisation in India
Centre for Ecological Sciences: a premier organisation for study of ecology & environment
Conservator of Forests (Wildlife), Nagpur: on the wildlife of Tadoba & Pench Tiger Reserves
Wildlife Institute of India: the premier wildlife research institute in India
Zoo Outreach Organisation (ZOO): an organisation for in-depth study of zoos & captive animals
Indian Wildlife Reserves: some popular Indian national parks
Indian Jungles: An Indian wildlife awareness site
Ministry of Environment & Forests: Govt. of India
http://www.wii.gov.in: Wildlife Institute of India, Dehradun
Rajaji National Park: Website of Rajaji national park, Dehradun

Environment / NGOs related links in India:

Wildlife Trust of India Website
http://envfor.nic.in/welcome.html
http://www.wii.gov.in/
http://www.ecopune.com/econet.htm
http://www.ranwa.org
http://www.greentech.org