Central Board Of Secondary Education [CBSE] — Less marks in 12th[protected] standard

Sir i am student of class 12 (non-med).i got my result on friday .i am not satisfied with the board result. I got 74.4% only but as per board criteria and numbers uploaded by my school my school should be 86%. After matriculation i worked hard and got good marks in 11 and 12(pre board).please look into the matter carefully and give justice to mee plzz sir its a humble request to cbse .
Name- Sarvjeet singh
Roll no[protected]
School code-40168
School name- Narsingh dass public sr. Sec. school, taraori.