Singer S P Balasubrahmanyam is stable and undergoing passive physiotherapy, a hospital treating him for COVID-19 infection said here on Friday. The 74-year-old playback singer continued to be on ventilator and extracorporeal membrane oxygenation support in the Intensive Care Unit, it said.source https://www.indiatvnews.com/entertainment/celebrities/singer-sp-balasubrahmanyam-on-passive-physiotherapy-hospital-645536
