(1) Rainwater harvesting is a technique by which recharge of water can be increased. It is done by artificial recharging of abandoned wells.
(2) Different methods of rainwater harvesting are as follows :
(i) In hill and mountainous regions, people built diversion channels like the ‘gills’ or lulls’ in the Western Himalayas for agriculture.
(ii) Rooftop rainwater harvesting is commonly practiced to store drinking water in Rajasthan.
(iii) In the floodplains of Bengal, people develop inundation channels to irrigate their fields.
(iv) In arid and semi-arid regions, agricultural fields were converted into rained storage structures that allow the water to stand and moisten the soil like the shadings’ in Jaywalker and `Jihads’ in other parts of Rajasthan.
