Sir Myself Kshitij From Last One Year I M Smoking

Sir myself kshitij from last one year I m smoking ...I usually take 10 cigg daily.....sometime I feel very anxious. Sometimes I feel I can't do my aim.....infact I m just feeling that I m loosing the power to take decisions. Indeed I go here and there without thinking a second..........my mind is being diverted in aall the rough things and I m unable to concentrate on study ...pls help me