Harsh Deora1, Manjul Tripathi2, Nishant S Yagnick3. 1. Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, India. Electronic address: demo5601@gmail.com. 2. Department of Neurosurgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India. 3. Department of Neurosurgery, Paras Group of Hospitals, Gurgaon, Haryana, India.