Two persons, including a 36-year-old woman patient, were arrested by the Vellore Taluk police on Monday evening, for assaulting a second-year postgraduate medical student at the Government Medical College Hospital in Vellore. Police said the arrested persons were identified as S. Subha, a resident of Sathumadurai village near Vellore town, and her friend R. Diwakar, a native of Tiruvannamalai. On …