Instructor, Dental Surgeon, Anesthetist, Assistant Professor Surgery, Assistant Professor Endocrinology, Associate Professor Community Medicine, Associate Professor Bio Chemistry, Senior Registrar Anaesthesia, Senior Registrar Gastroenterology, Senior Registrar Orthopaedic Surgery, Registrar Nephrology, Registrar Paediatric Urology, Registrar ENT, Registrar Paediatric, Registrar OBST & Gynaecology jobs in Punjab Public Service Commission PPSC