National Parks of India

A national park is a reserve of land, usually declared and owned by a national government, protected from most human development and pollution. National parks are protected areas of IUCN category II. The largest national park in the world is the Northeast Greenland National Park, which was established in 1974. According to The World Conservation Union IUCN, there are now 6,555 national parks worldwide (2006 figure)(Wikipedia)

There are 166 approved national parks in India, please see the state wise numbers of national parks