He has vast experience in treating various paediatric and adult neurological disorders. His areas of interest are, Paediatric and Adult Neuro-oncology, Headache, Movement disorders, Dementia, Spinal Cord disorders, Neuromuscular disorders, Stroke, Paediatric and adult Epilepsy, Paediatric learning disorders, Developmental Neurology and Intensive care neurology.
Dr H. Santosh is a member of various associations and bodies namely, International child neurology association (ICNA), Association of child neurology (AOCN), Indian academy of Neurology (IAN) and Indian academy of Paediatrics (IAP).
He has various publications and awards to his credit. He has been showcasing his work through numerous papers and talks at various national and international conferences across the globe.