Methods of Rainwater Harvesting in India The process of collecting rainwater is known as rainwater harvesting, and in India, it has been practised for 4000 years. Rainwater harvesting is similar to saving money in the bank so that we can use it in the future. This stored water can be used for various purposes, such as domestic uses, irrigation, fire protection, and household work, etc. There are two methods of harvesting rainwater: groundwater recharge and surface runoff harvesting. Visit us: https://youtu.be/rAXCFbwgALg