The Institute is located in Deorali, to the south of central Gangtok. The opening hours are from 10 am to 4 pm from Monday to Saturday. It is closed on Sundays and on official government holidays.
Entrance fee to the museum and the libraries is Rs. 10/-.
The Institute is located in beautiful sylvan surroundings and extensive grounds. Constructed in typical Tibetan Buddhist style, the wall paintings of the veranda depict the four celestial guardians kings located in the four directions of Mount Meru.
Close by the main premises of the NIT lies a memorial park in honour of the last king of Sikkim. Amidst the beautiful surroundings stands the bronze statue of Chogyal Palden Thondup Namgyal of Sikkim.