Dehradun, city, capital of Uttarakhand state, northern India. It lies in the northwestern part of the state in the foothills of the Himalayas at an elevation of about 2,100 feet (640 meters).

Dehradun was founded in 1699, when the heretical Sikh Guru Ram Rai was driven out of the Punjab and built a temple there. During the 18th century the area succumbed to successive invaders, the last of whom were the Gurkha (ethnic Nepali soldiers). When the Gurkha War ended in 1816, the area was ceded to the British. Following Indian independence in 1947, the city became a part of the new state of Uttar Pradesh. However, in 2000 the northern portion of the state was made into Uttarakhand state, at which time Dehradun became the new state’s capital.

The city is a hill resort and the terminus of a road and a rail line from the south. Tea processing is the main industry, although technology and armaments production are also important. Dehradun is the headquarters of the Survey of India and of the forest department; it houses the Forest Research Institute, the Archaeological Survey Laboratory, the Indian Military Academy, Rashtriya Indian Military College, the Wadia Institute of Himalayan Geology, and several other educational and research institutions. The Doon School and the Welham Girls’ School, two of India’s premier residential schools, are located in Dehradun. Tourist destinations include botanical gardens, the Tapkeshwar temple, Robbers Cave (with natural pools for bathing), and the Sahasradhara Waterfalls.

Chandigarh. Statuettes at the Rock Garden of Chandigarh a sculpture park in Chandigarh, India, also known as Nek Chand's Rock Garden. Created by Nek Chand Saini an Indian self taught artist. visionary artist, folk artist, environmental art
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In the surrounding area, peaks rise to 8,000 feet (2,500 meters). The section called the Dun is a valley between the Himalayan foothills and the Siwalik Range to the south. Rice, wheat, millet, tea, and other crops are grown; and the locality produces valuable timber. Mussoorie, a hill station north of Dehradun city, is a popular summer resort. Rishikesh, to the south of the city, is an important pilgrimage center . Pop. (2001) city, 426,674; urban agglom., 530,263; (2011) city, 569,578; urban agglom., 706,124.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Gitanjali Roy.
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Nepali:
Himalaya
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Himalayas, great mountain system of Asia forming a barrier between the Plateau of Tibet to the north and the alluvial plains of the Indian subcontinent to the south. The Himalayas include the highest mountains in the world, with more than 110 peaks rising to elevations of 24,000 feet (7,300 meters) or more above sea level. One of those peaks is Mount Everest (Tibetan: Chomolungma; Chinese: Qomolangma Feng; Nepali: Sagarmatha), the world’s highest, with an elevation of 29,032 feet (8,849 meters; see Researcher’s Note: Height of Mount Everest. The mountains’ high peaks rise into the zone of perpetual snow.

For thousands of years the Himalayas have held a profound significance for the peoples of South Asia, as their literature, mythologies, and religions reflect. Since ancient times the vast glaciated heights have attracted the attention of the pilgrim mountaineers of India, who coined the Sanskrit name Himalaya—from hima (“snow”) and alaya (“abode”)—for that great mountain system. In contemporary times the Himalayas have offered the greatest attraction and the greatest challenge to mountaineers throughout the world.

The ranges, which form the northern border of the Indian subcontinent and an almost impassable barrier between it and the lands to the north, are part of a vast mountain belt that stretches halfway around the world from North Africa to the Pacific Ocean coast of Southeast Asia. The Himalayas themselves stretch uninterruptedly for about 1,550 miles (2,500 km) from west to east between Nanga Parbat (26,660 feet [8,126 meters]), in the Pakistani-administered portion of the Kashmir region, and Namjagbarwa (Namcha Barwa) Peak (25,445 feet [7,756 meters]), in the Tibet Autonomous Region of China. Between those western and eastern extremities lie the two Himalayan countries of Nepal and Bhutan. The Himalayas are bordered to the northwest by the mountain ranges of the Hindu Kush and the Karakoram and to the north by the high and vast Plateau of Tibet. The width of the Himalayas from south to north varies between 125 and 250 miles (200 and 400 km). Their total area amounts to about 230,000 square miles (595,000 square km).

Though India, Nepal, and Bhutan have sovereignty over most of the Himalayas, Pakistan and China also occupy parts of them. In the disputed Kashmir region, Pakistan has administrative control of some 32,400 square miles (83,900 square km) of the range lying north and west of the “line of control” established between India and Pakistan in 1972. China administers some 14,000 square miles (36,000 square km) in the Ladakh region and has claimed territory at the eastern end of the Himalayas within the Indian state of Arunachal Pradesh. Those disputes accentuate the boundary problems faced by India and its neighbors in the Himalayan region.

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