Central Board Of Secondary Education [CBSE] — Results not satisfied

I am not satisfied my result class xth my two
subject math and English marks I not satisfied Math Marks -43, and English marks-54, specially math marks I not satisfied because according to CBSE result make rule 40 mark -Preboard exam and 30 marks half yearly exam and 20 marks internal assessment but my school not take Preboard exam and half yearly exam due to covid pandemic.This is school problem but why my mark cut please investigate my school . adress of school smalka new delhi-110097 school code-1821005 my name is prince roll no.according to xth result[protected].I expections you see this mail and increase my mark math and English.My expection my marks come in math -40+30+10+5=75 and English marks-70 please sir