River valleys of Cauvery, Krishna, Godavari, and Mahanadi
Climate: In India like physiography climate also is diverse. Latitude, physiography nearness to ocean and attitude are the factors influencing the climate of India. In India seasons can be generally classified into winter season December, January, February. Summer: March, April, May, June, Southwest monsoon season June, July, August, September, Northeast monsoon season October, November, Summer, and winter is severe in north India. In peninsular India there is not much difference in the summer and winter temperature. Southwest monsoon brings plenty of rainfall to the western coast of India, whereas the coromandel coast receives rain from the northeast monsoon.