At present, DJB tankers provide water in Delhi slums. The problem of water shortage in city slums could find an answer in ‘pay-and-use’ water ATMs scheme, which the Delhi government is studying at present. According to the proposal (Newsline has a copy), the water will be filtered at a centrally located plant through reverse osmosis, and supplied to a network of decentralised, “off-grid” and solar-powered ATMs that will be located in areas with low water supply.