Almost all cities are facing shortfall of water supply and water levels are declining at a fast rate. This is because the rainwater is not conserved and is allowed to drain away. To meet increasing demand of water in urban areas, the rainwater harvesting should be taken up on large scale. It can be harvest by collecting rainfall from the building roof tops, paved areas, runoff of nalas, khads & choes by adopting appropriate approach. In hilly areas, the rainwater can be harvested by constructing low dams. The preparation of feasibility report, designing of structures, working out estimates and construction of all type of rain water harvesting works are also taken up.