Central Board Of Secondary Education [CBSE] — Correction of result in all subjects class 10

Address:	Shiksha Kendra community center, Preet vihar Delhi 110092
Website:	Cbse customer service delhi

Respected sir,
I am Avdhesh Sharma a student of class 10 Chauhan public school bhagalpur, bihar.I was doing very well in pre board examination and I have got 92% in overall pre board. But I have got only 59% in cbse class 10 board result. I have discussed it with my school but they are saying that there is no mean to recheck the result.
Even they are not receiving my application.
Name:- Avdhesh Sharma
Roll no:[protected]
School code:-65616
Email:- [protected]@gmail.com
Correction :- in all subjects

Sir please help me in this because it's very harsh for my future career.
Yours faithfully
Avdhesh Sharma