Kuch ichayo ki purti ke liye??

My pleasure Ansh Bro!?
Thnx sis
Rain water harvesting is a technique of collection and storage of rainwater into natural reservoirs or tanks, or the infiltration of surface water into subsurface aquifers (before it is lost as surface runoff). One method of rainwater harvesting is rooftop harvesting.

Rain water harvesting is a technique of using rain water by collecting it

Conservation of roof water for irrigation or raising underground water level
Conserve water for drinking, and irrigation