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Water harvesting is the process of collecting and storing rain water by using various techniques so that it can be used in future during non-rainy seasons when there will be scarcity of water and in case of drought.

Khadi’s is a traditional way of harvesting rain water and it is mainly followed by people of Rajasthan. These are very long earthen embankments which are built across the lower edge of the sloping farmlands which are called bund. Rain water flows down the slopes and fills the bunds to form a reservoir. Pathways are made from bund to nearby well which is mainly dug behind the bund where water seeps and fills the wells.

We can harvest rain water from our roof tops too. Rain water is collected from roof tops of houses and is stored in a storage tank through pipes. This water can be used at the time of necessity. Rain water from roof tops can be collected through pipes and store in a pit dug in the ground. So that this water can seeps underground and recharges our ground water.