Explanation:

Two new national parks, Dehing Patkai and Raimona, was recently notified in Assam.

Raimona National Park

• Recently, the Assam government created the Raimona National Park in western Assam.
• The National Park will be administered by the Kachugaon Forest Division of Bodoland Territorial Council.
• Raimona is bounded on the west by the Sonkosh river, on the east by the Saralbhanga River and on the south by the Pekua river.
• It adjoins the Buxa Tiger Reserve in West Bengal to its west, Phipsoo Wildlife Sanctuary in Bhutan to its north and the first addition to Manas National Park to the east.
• Raimona, which has 11 different forest types and subtypes, is home to the golden langur, elephant, tiger, clouded leopard and Indian gaur.
• Conservation of this area shall provide water security to the people downstream in Kokrajhar and Dhubri district.

Hence option 3rd is correct.