Central Board Of Secondary Education [CBSE] — Not getting enough marks as get in pre boards

Hi sir I'm ZAARA MASHKOOR from class 10 roll no. 22244927 ADELAIDE CONVENT SCHOOL SOHAGI RAMPUR PATNA, BIHAR i got 62.8% marks in my 10th board examination inspite of being a bright student of my class i got this marks i'm highly dissatisfied with my marks I got 75% in my pre board examination I always got good marks in my every term examination so i request you to kindly look into the matter because I strongly doubt the marks I got. It's a humble request to please do iustice with my performance and re check the examination paper and evaluate the marks once again.