Popular comedian-actor Raju Srivastava continues to be on ventilator in the intensive care unit of AIIMS here and his condition has not improved, hospital sources said on Friday. The 58-year-old stand-up comic was admitted to the hospital after suffering a heart attack on Wednesday and underwent an angioplasty the same day. “Srivastava continues to be critical and on ventilator. His condition has not improved. He has not regained consciousness since he was admitted to the hospital,” the source told PTI.