Hyderabad: Income of Greater Hyderabad Municipal Corporation is being undermined by Ramky Enviro Engineers, the private agency which has bagged the contract for processing construction and demolition waste. Ramky Enviro Engineers has been awarded the work pertaining to “collection, transportation, processing and management of construction and demolition waste in GHMC” on public-private partnership at plants located in Fathullaguda and Jeedimetla. …