Balamurugan Nagarajan1, Vykuntaraju K Gowda2, Sanjay K Shivappa3, Anita Mahadevan4. 1. Department of Pediatric Neurology, Indira Gandhi Institute of Child Health, Bengaluru, Karnataka, India. 2. Department of Pediatric Neurology, Indira Gandhi Institute of Child Health, Bengaluru, Karnataka, India. drknvraju08@gmail.com. 3. Department of Pediatrics, Indira Gandhi Institute of Child Health, Bengaluru, Karnataka, India. 4. Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS); Bengaluru, Karnataka, India.