Gurugram, Sept. 10 -- A random inspection of rainwater harvesting (RWH) systems in four residential condominiums in Gurugram last week found all of them to be defective and non-functional, officials of the Gurugram Metropolitan Development Authority (GMDA) said. The inspection was carried out by the GMDA planning wing. RS Bhath, district town planner, GMDA, said, "The RWH systems, one in Sector 54, two in Sector 56, and one in Sector 48 were not working and were found to be faulty in these condominiums. The RWAs have been told to carry out maintenance and repair work to ensure these are working....