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LAND AND NATURAL RESOURCES

Much of India's area of almost 1.3 million square miles (3.3 million square kilometers--including the Pakistani-held part of Jammu and Kashmir) is a peninsula jutting into the Indian Ocean between the Arabian Sea on the west and the Bay of Bengal on the east. There are three distinct physiographic regions. In the north the high peaks of the Himalayas lie partly in India but mostly just beyond its borders in Nepal, Bhutan, and Tibet. South of the mountains, the low-lying Indo-Gangetic Plain, shared with Pakistan and Bangladesh, extends more than 1,500 miles (2,400 kilometers) from the Arabian Sea to the Bay of Bengal. Finally, the peninsular tableland, largely the Deccan, together with its adjacent coastal plains, makes up more than half of the nation's area.

The Himalayas. The northern mountain wall consists of three parallel ranges. The highest of these ranges is the Greater Himalayas, which include several peaks that rise above 25,000 feet (7,600 meters). Even the passes through these mountains are farther above sea level than the highest summits of the Alps. India has the world's largest area under snow and glaciers outside the polar regions.

Lower mountain ranges branch off from both ends of the Himalayan system, running along the border with Myanmar toward the Bay of Bengal in the east and--mainly through Pakistan--toward the Arabian Sea in the west. Thus, the low-lying country to the south is relatively isolated from the rest of Asia. This accounts for its recognition as a subcontinent.

The Indo-Gangetic Plain. The Indo-Gangetic Plain, with an area of about 270,000 square miles (700,000 square kilometers), varies in width by several hundred miles. It is the world's most extensive tract of uninterrupted alluvium. These deep, river-deposited sediments give rise to fertile soils. In addition, they are rich in groundwater for well irrigation. The flat terrain also makes the area ideal for canal irrigation.

The greater part of the Indo-Gangetic Plain is drained by the Ganges River, which rises in the southern Himalayas and flows in a generally south to southeast direction to the Bay of Bengal. Its principal tributary, the Yamuna, or Jumna, flows past New Delhi, the capital of India, to join the Ganges near Allahabad. North of Goalundo Ghat in Bangladesh, the Ganges is joined by the Brahmaputra (see Ganges River). The Indus and its tributaries drain the western and southwestern parts of the plain. The northern part of this area, now divided between India and Pakistan, is traditionally known as the Punjab, or Land of the Five Rivers, for the five major tributaries of the Indus--the Jhelum, Chenab, Ravi, Sutlej, and Beas (see Indus River). Also on the India-Pakistan border and considered part of the plain is the arid Thar, or Great Indian, Desert.

The Deccan. The so-called tableland of India is actually a more complex landform region than that word suggests. Most of the 735,000 square miles (1.9 million square kilometers) of the Deccan are relatively flat, with elevations ranging from 1,000 to 2,000 feet (300 to 600 meters) above sea level. However, the terrain also includes numerous ranges of hills, as well as several long, prominent escarpments. Anai Mudi (8,842 feet, 2,695 meters), in the Southern Ghats, is the highest peak in peninsular India.