A brain tumour also known as an intracranial tumour is an abnormal growth of cells in or around the brain. Tumours may develop in the brain (primary tumours) or spread to the brain after forming in a different part of the body (metastatic tumours). Most of the brain tumours are benign (non-cancerous) and only about one-third of brain tumours are malignant (cancerous). But even non-cancerous ones can impair brain function if they grow large enough to create pressure on surrounding tissue. World Brain Tumour Day which is observed every year on June 8 (i.e. today) aims to create awareness about