The condition in which tumorous growth happens in the cells of brain is called brain tumor. Cancer formation may occur in any cell type of the brain due to genetic abnormalities or skull exposure to radiation. The clear sign of vision problem, headache, problem in walking, balancing, speaking or remembering and limbs numbness help to diagnose it. For brain tumor surgery is the first option to treat. But some brain tumors cannot be removed by surgery due to their location, for those tumors chemotherapy or radiotherapy are used.