Describe the distribution of rainfall in India in details.

In India rainfall is not even. It is highly uneven over a period of time in a year. It varies from season to season. The Western coasts and North East India receive rainfall of over 400 cm. It is less than 60 cm in Western Rajasthan. The average rainfall in India is 125 cm. The South- west monsoon constituted 75% of the total rainfall, 13% of it by north-east monsoon, 10% of it by pre monsoon rainfall.

As we move from Meghalaya to Haryana or Punjab in Northern plains, rainfall decreases. In North-East India, the rainfall increases with altitude.

Rainfall in India can be divided into four parts:

*Areas of Heavy Rainfall: This region receives more than 200 cm rainfall. These areas are Jaintia hills of Meghalaya, Assam, Uttar Pradesh etc. Due to heavy rainfall tropical evergreen forests are found.

*Areas of Moderate Rainfall: These areas receive rainfall around 100-200 cm. These areas are West Bengal, Eastern Tamil Nadu, Bihar and many states.

*Areas of low Rainfall: These areas receives 60-100cm. These areas are Southern Peninsula, Madhya Pradesh, Rajasthan and interior Deccan plateau.

*Areas of Inadequate Rainfall: These areas receive less than 50 cm. These areas are western part of Rajasthan and Gujarat etc.