Explain about 3 drainage system of our country?
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The Indian Drainage System is divided into 3 categories:
(1) Major River Basin with catchment area up to 20000 sq. km. and above, accounts for 83% of the total run off and are 13 in number in India.
(2) Medium River Basin with catchment area of 2000-20000 sq. km. and above accounts of 8% of the total run off all the rivers and are 45 in India.
(3) Minor River Basin with catchment area up to 2000 sq. km. It accounts for 9% of the total run off among all the rivers with 55 basins in India.
(1) Major River Basin with catchment area up to 20000 sq. km. and above, accounts for 83% of the total run off and are 13 in number in India.
(2) Medium River Basin with catchment area of 2000-20000 sq. km. and above accounts of 8% of the total run off all the rivers and are 45 in India.
(3) Minor River Basin with catchment area up to 2000 sq. km. It accounts for 9% of the total run off among all the rivers with 55 basins in India.
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