Suggestions Invited For Large-Scale Rainwater Harvesting

Students play a vital role in the constructive development of our nation. Children from primary classes should be taught to conserve rainwater.
Moreover every educational, government institutions and railway station should first implement small-scale rainwater harvesting to make people aware of it's importance. The students of engineering college should help the local inhabitants to construct efficient and low-cost rain water harvesting system to create a big change towards water conservation.