MBBS ( Gold Medalist ) MS (Surg.) M.Ch.( Neuro ) FIGM ( USA ) FICS , FIAMS Retd. Prof. & Head of Deptt. Neurosurgery - RIMS, Ranchi, Jharkhand. Medical specialist in concerned with the prevention, diagnosis, treatment, and rehabilitation of disorders which affect any portion of the nervous system including the brain, spinal cord, peripheral nerves, and extra-cranial cerebrovascular system.