Central Board Of Secondary Education [CBSE] — Regarding for bad result

Respected sir,
Mist humbly and Faithfully say that I am Md Daniyal Ahmad I am the student of 10th std from cnse board and today is decleared my result of 10 th class. And this is very bad for me that cbse gave me percentage only 49 percent without any examination. This is not fair sir. Sir, I am very intelligent boy you can check my acadmic result by my detail is given below. And I am very honest with my education. Bust Cbse has totally harashed me when They decleared my result wit very bad percentage witout any types of checking my abilty. If cnse want to check my kbowledge I am ready but Please correct my result I deserve above 90 percent in 10th . Becouse I have ability. Sir, If you not correct my result then I will be fully dipressed . Becouse this is ver bad for me. So I request you please correct my result. Please.
Your faith fully
Name :-Md Daniyal Ahmad
Father's name :Md kafeel Ahmad
Roll number:[protected]
School no:-85189
Mob no:-[protected]
School name :- Sidhhartha public school kanjhawala delhi.
Std :-10th[protected]