i got a beating in a fight with my friend in which my left part of the brain was hit by some table corner or some hard thing after that part above my left eye is paining in zigzag manner it happened some 6 to 8 months back from that time upto know my mental condition is not good i am not able to sleep well i am not able to concentrate on my studies as previously also i was being hit on that part of the brain i have got weaken in my studies and i am doing some abnormal things like a mentally retarded person i am not having a sharp brain in studies as i used to have previously .the part above my left eye is paining continuously . i feel as if i will commit suicide.i am not having any idea what to do so.please help me