MUMBAI, May 22 -- Residential complexes that have a floor area of 20,000 square meters or more, and consume 40,000 litres of water or generate 100 kilograms of waste every day, will soon have to process garbage within their own premises. On Thursday, the BMC urged all Bulk Waste Generators, which include large housing societies, to register with the civic body within 15 days and start processing their own waste. BMC's move comes on the back of a Supreme Court mandate to implement Solid Waste Management (SWM) rules in February this year. P4...