Central Board Of Secondary Education [CBSE] — Regarding re-evaluation of marks obtained in class 12

My name is Anshika Singh Jaiswal. I am a class 12th PCM student of St. Johns Sr. Sec school, kota. I am writing you this, to request you to reevaluate my marks given in class 12th board exam.Despite of obtaining a score of 95% in class 10th and 93% in class 11, I scored a total percentage of 79% in class 12 and the marks given to me in class 12 in all subjects are unsatisfactory.I believe there has been some error in uploading my marks for the CBSE board by your administration.
Since the admission in various colleges university depends upon class 12th marks, I request you to kindly look into the matter and resolve the same as soon as possible.
Board roll no.11692669

Hoping for your kind support.