Which State government has decided to upgrade the 111.942 sq km Dehing Patkai Wildlife Sanctuary into a national park which is located within the larger Dehing Patkai Elephant Reserve?

The government of Assam has decided to upgrade the 111.942 sq km Dehing Patkai Wildlife Sanctuary into a national park which is located within the larger Dehing Patkai Elephant Reserve, spreading across the coal- and oil-rich districts of Upper Assam (Dibrugarh, Tinsukia and Sivasagar).