Explanation:

Dihing Patkai National Park Assam

It was declared a wildlife sanctuary in 2004 Dehing Patkai National Park in Assam is also a major Elephant Reserve, which spreads across the coal- and oil-rich districts of Upper Assam (Dibrugarh and Tinsukia districts). Dehing Patkai National Park is also known as the Jeypore Rainforest. Dehing river flows through the National Park, and Patkai hills are the foothills of the Park. The oldest refinery in Asia is located in Digboi, and the open cast coal mining at Lido is situated near the Park. 234 sq. km park covering Dibrugarh and Tinsukia districts is also the last remaining stretches of the Assam Valley’s tropical wet evergreen forests.