Give reasons as to why the bulk of rainfall in India is concentrated over a few months.

In India the bulk of the rainfall is concentrated over a few months. The main source of rainfall is the monsoon wind which blows when there is intense low pressure on the land. The surrounding water-body is cool and has high pressure. This ideal temperature and pressure is caused in May. when the rain falls between June — September and it becomes cooler (high pressure). Rest of the year is practically dry.