On an outline map

(i) The Western Coast and NorthEastern India receives rainfall over 400 cm. Mawsynram and Cherrapunji in Meghalaya are known for receiving maximum rainfall in the world. The Andaman Islands and Lakshadweep Islands are also known to receive annual rainfall above 400 cm.

(ii) The parts of Northern Kashmir, Western Rajasthan, Deccan plateau and Punjab are known to be the areas that receive scanty rainfall that is less than 20 cm. In Northern part of India, rainfall decreases toward the west, while in the peninsular region except for Tamil Nadu, the rainfall decreases eastwards.

(iii) South west monsoon is a compound and a self-evolved weather system unique to Indian subcontinent. The south west monsoon in India moves in south-west direction. In India there are only south-west and north-east monsoons. Because of the corolis effect, the south-east monsoon becomes south west trade winds.