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Introduction to Drainage System of India



Important directions of drainage in the Indian plateau

The main water divide in Peninsular India is ormed by the Western Ghats, which runs from north to south close to the western coast. Most of the major rivers of the Peninsula such as the Mahanadi, the Godavari, the Krishna and the Kaveri flow eastwards and drain into the Bay of Bengal.


Drainage basin and classification of Indian drainage pattern

The term drainage describes the river system of an area. The area drained by a single river system is called a drainage basin. The Indian rivers are divided into two major groups - the Himalayan rivers and the Peninsular rivers.


Rivers of Northern and Peninsular India

Himalayan or Northern rivers are perennial in nature whereas peninsular rivers are seasonal and being rain-fed they dry up in summers. Himalayan rivers have created great plains catering to the densely populated areas in the country. Himalayan rivers originate in the Himalayas and are long while peninsular rivers originate in small hills and plateaus and are of shorter course.