With filtration layers of river pebbles, charcoal and fine sand, N Arunachalam conserves thousands of litres of water that meets the drinking and cooking demands of his family every year
Bengalureans, haven't installed rainwater harvesting yet? You will have to pay bigger penalties on the water bill. But fear not, Bengaluru's 'Rainman' has a hassle-free solution for you! #HarvestRain