Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation .
1. it is the season for which the whole India will be waiting after the summer droughts so that there would be rain and the food crops will grow well.

2. this season bring happiness for the farmers because it provides water for the man usages.

3. this monsoon will be the season where the all dried up rivers, seas and dams get filled by the rain water.

4. rain water is even soaked by ground to recharge the ground water level so that they will be used by people for their usage.

hope so my answer is useful