NEW DELHI : The Railways has deployed 204 isolation coaches in four states, including 54 at Delhi's Shakurbasti railway station maintenance depot, officials said, adding that the number in the capital will be scaled up to 500 in the coming days.Home Minister Amit Shah earlier Sunday had said the Centre would also provide 500 railway coaches to Delhi to overcome the shortage of hospital beds for COVID-19 patients.States like Uttar Pradesh, Telangana, Andhra Pradesh and Delhi requisitioned these coaches two months after the national transporter converted over 5,000 of its non-air conditioned coaches into COVID care centres.Seventy coaches have been deployed in Uttar Pradesh -- 10 each in Pandit Deen Dayal Upadhyay Junction, Varanasi, Bhadohi,.