Mumbai: As Mahrashtra's capital is reeling under the COVID-19 surge, the authorities on Friday issued new guidelines for Mumbai. In accordance with the new COVID-19 guidelines for Mumbai, all beaches in the city will remain shut till April 30.Also, private labs have been asked to ensure the 24-hour turnaround time for declaring COVID-19 test results.Reports of COVID-19 tests will be first handed over to the civic bodies.Hospitals have been asked to use rapid antigen tests only for symptomatic patients.In case more than five coronavirus positive cases emerge from a building, it will be declared as a micro containment zone. Police will be deployed outside such micro containment zones in order to ensure that no COVID-19 protocol is flouted.In the wake of COVID-19, the Central Railway has stopped the sale of platform tickets at its six long-distance train stations, including Mumbai Chhatrapati Shivaji Maharaj Terminus (CSMT), from immediate effect in order to avert the unnecessary crowd. As per Central Railway chief spokesperson Shivaji Sutar, platform tickets will not be issued at the CSMT, Lokmanya Tilak Terminus, Thane, Kalyan, Dadar and Panvel stations."The decision has been taken to avoid unnecessary crowding and ensuring social distancing at stations during the current summer rush," said Sutar.In March, the CR had increased the price of platform tickets to Rs 50 from 10 at some stations in Maharashtra.On Thursday, Mumbai reported 8,938 new COVID-19 cases, taking the city's tally to 4,91,698. The death toll has jumped to 11,874, as per the Brihanmumbai Municipal Corporation's (BMC) updated data.Mumbai had on Wednesday recorded 10,428 new COVID-19 cases and 23 deaths and on Tuesday, there were 10,030 infections and 31 fatalities.The BMC said that the COVID-19 recovery rate in the financial capital has dipped to 80 per cent, and the overall infection growth rate has risen to 2.03 per cent.Presently, Mumbai has 71 active containment zones, in slums and chawls , and 750 sealed buildings.