Which Indian state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur to the east; Meghalaya, Tripura, Mizoram and Bangladesh to the south; and West Bengal to the west?

The correct answer is Assam . Key Points Assam is a north-eastern state in India. Assam became a constituent state of India in 1950 . Capital of Assam - Dispur. Official language - Assamese. Important festival - Bihu. It is famous for tea plantations , its silk , flora, and fauna. One-Horned Indian Rhino is found only in Assam's Kaziranga National Park which is also a world heritage site. Digboi oil refinery in Assam is the first refinery and oldest in Asia. Additional Information Northeastern states of India