India National Park status to Assam’s Dehing Patkai forest, environmentalists push for area expansion Updated : July 07, 2020 12:56 AM IST One of the biggest conservation challenges in 2020 was to protect the biodiversity in Dehing Patkai sub-tropical rainforest of Assam against coal mining industries. Dehing Patkai Wildlife Sanctuary is home to a vast variety of flora and fauna. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.