Kalimpong is a hill station in the Indian state of West Bengal. It is located at an average elevation of 1,250 metres (4,101 ft).[2] The town is the headquarters of the Kalimpong district.[3] The Indian Army's 27 Mountain Division is located on the outskirts of the town.Kalimpong is known for its educational institutions, many of which were established during the British colonial period.[5] It used to be a gateway in the trade between Tibet and India before China's annexation of Tibet and the Sino-Indian War. Kalimpong and neighbouring Darjeeling were major centres calling for a separate Gorkhaland state in the 1980s, and more recently in 2010.The municipality sits on a ridge overlooking the Teesta River and is a tourist destination owing to its temperate climate, magnificent Himalayan beauty and proximity to popular tourist locations in the region. Horticulture is important to Kalimpong: It has a flower market notable for its wide array of orchids; nurseries, which export Himalayan grown flower bulbs, tubers and rhizomes, contribute to the economy of Kalimpong.[2] Home to Nepalisindigenous Lepchas, other ethnic groups and non-native immigrants from other parts of India, the town is a religious centre of Buddhism. The Tibetan Buddhist monastery Zang Dhok Palri Phodang holds a number of rare Tibetan Buddhist scriptures.The Kalimpong Science Centre, established under the Darjeeling Gorkha Hill Council (DGHC) in 2008 is a recent addition to its many tourist attractions. The Science Centre, which provides for scientific awareness among the students of the town and the locals sits atop the Deolo Hill.