A. Silent valley
B. Corbett National Park
C. Bandipur sanctuary
D. Nagar-Hole
The first wildlife reserve of India, Jim Corbett National Park or ‘Corbett Tiger Reserve’ is situated in the Nainital district of Uttarakhand. It covers 1318 sq km of area, in which 500 sq. km is the core area and rest part is the buffer zone.