Ranchi : An unidentified miscreant attacked a noted orthopedic surgeon of Jharkhand, Dr Anchal Kumar, at his residence under the Sadar police station area in the morning. He sustained a head injury in the incident. He has been admitted to Medica Hospital for treatment. Senior superintendent of police Kishore Kaushal confirmed the incident saying the miscreants escaped after the incident and we have started a probe into the matter with the CCTV footage available.