Central Board Of Secondary Education [CBSE] — Marks issue

Address:

Imamganj ,patna

I am Himanshu kumar of class 10 my roll no 22174555.Fathers name- Triloki prasad DOB-15/04/20006 .Cbse provide too much low marks .I got 90per marks in pre board exam but I got less than 50 per in final . In 8th and 9 th class I got more than 85 per . I requested please provide us marks according to my merit . My family recommend that you are able to got 90 per but on what basis cbse provide marks I am not understanding . My mother are suffering colon cancer please provide marks because my mom smile is my life.😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢�...⇄