The National Green Tribunal today issued notice to Delhi and District Cricket Association, DDCA, Delhi Jal Board and Tata Power Delhi Distribution (TPDDL) on a plea alleging they were wasting water and directed them to submit their reply by June 6.<br/><br/>The plea filed by an NGO alleged that DDCA was using reverse osmosis-treated water for the upkeep of Feroz Shah Kotla ground and power discom TPDDL was wasting 7,500 litres of water per day through the RO water plants it installed at 31 educational institutions.<br/><br/>Citing a news report, the NGO said that at a time when Indian Premier League is being shifted out of Maharashtra in view of the severe drought in the state, DDCA is using RO-treated water for ground maintenance.