Order of the National Green Tribunal in the matter of Society for Protection of Culture Heritage, Environment, Traditions & Promotions of National Awareness (CHETNA) Vs. Union of India & Others dated 03/06/2016 regarding water harvesting in Delhi. National Green Tribunal directs the NCT, Delhi, Central Ground Water Authority and Delhi Jal Board to clean, maintain and restore all the bodies, natural wells and baodies and other water bodies which are in existence in NCT of Delhi, within three weeks from today.