Central Board Of Secondary Education [CBSE] — Regarding marks given by school

Sir i am a student of class 12 i got my result yesterday but i am not satisfied with the marks. I got 67% in class 10 and most scored marks were 83, 73 and 62. Result of class 11 was not provided by school exam was taken and i was fair pass in every subject. I also gave the online exam of 12 and got good marks but in the result they only gave me 59%. I got full marks in practical but secured only 59%. Sir it is the question of my whole carrier. My friends who secured less marks then me got 80% +. Sir i want you to take action against the school.
Name:- Khushboo kapoor
Roll no:[protected]
School name:- Dev Krishna Public School Basi Khekra, Baghpat, Uttar Pradesh
School code -60668.