Most of the states in India depended on rain for harvesting. It is the main water source for harvesting. Due to indiscriminate development and rapid urbanization, exposed surface for soil has been reduced drastically. No one is realizing that rain water harvesting is natural and healthy. TEC adopted rain water harvesting. It is the process of augmenting the natural filtration of rainwater into the underground formation by some artificial methods. Through this process, water collected from rain is stored and used for drinking, domestic purpose and also for organic farming.