Healthcare COVID-19: Railways may convert 20,000 coaches into isolation wards for patients Updated : March 30, 2020 07:29 PM IST In a letter to all the zonal general managers on Monday, Railway board has said that initially 5,000 coaches will be converted. Five zonal railways have already prepared prototypes for the same, it said. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.