India’s 0 National Parks and 441 Wildlife Sanctuaries make the country the second largest in the world in diverse wild-life. India has the largest population of the ferocious but endangers wild cats like tiger & lion, besides the largest vegetarians like elephant & one horned rhino. To be statistically correct, there are 500 species of mammals, over 2000 species of birds, over 500 species of reptiles and amphibians and around 30000 species of insects making an ecological balance ignored by the humans.  

The coastal region, the Deccan Plateau, the Western Ghats, the Gangetic plain, the Northeastern Region, Trans Himalayas, Semi Arid zones, Himalayas, the Indian Deserts, and the Indian Islands are the prominent wildlife zones in India. These areas have a wide variety of climate and vegetation ranging from the tropical to the temperate and are ome to snow leopards, tigers, deer, bears, elephants, antelopes, deer, jackals, hyena, wild buffalo, and bears among others.

Some of the most famous national parks & conservation areas in India are:

Sikkim:
Kaziranga National Park & Manas National Park: Elephants

West Bengal:
Sundarbans National Park

Gujarat:
Gir Wildlife Sanctuary: Lions

Kerala:
Kumarakom Bird Sanctuary
Periyar Wildlife Sanctuary
Thattekkad Bird Sanctuary

Madhya Pradesh:
Tigers:
Bandhavgarh National Park
Kanha National Park
Pench National Park
Panna National Park

Uttaranchal
Corbett National Park
Rajaji National Park
Valley of Flowers

Uttar Pradesh
Dudhwa National Park

Some typical itineraries for enjoying the Indian wildlife:
Indian Tiger Safari (8 Days)
India Jungle Tour - Lure of the Jungle (21 Days)
Wildlife Tour in India (16 Days)
South India Wildlife Tour (17 Days)
Indian Elephant Safari Tour (9 Days)
Bird Watching Tour in India (3 Days)