my maths marks was 43 out of 100 in last year cbse 12th board exams.for improvement of my marks i apeared for cbse improvement this year for all the five subjects. i improved my marks in 4 subjects(math,eng,phy,chem) but due to some medical issues i was absent in my 5th subject (painting) exam. since it was improvement exam my previous marks of cbse will be considered. so am i eligible for cusat admission or not?