Central Board Of Secondary Education [CBSE] — Less marks in maths and chemistry class xll result 2021

Address:

balkaran 866@gmail. Com mobile no 9417653866

Respected sir
My son karandeep singh sidhu is student of class xll roll no 13610854 school code . The marks given him in maths 39+20=59 and in chemistry 36+29=65 are unsatisfactory. His marks in English 93%, physics 91% and in phy edu is 92%.
In class x he got 100% in math, 95% in science and 95% in English. His overall result of x class was 96%.
His marks in xl class in math 61+20=81/100 and in chemistry 40+30=70/100
In pre board exam of class xll in math he got 68 out of 80 and in chemistry 56 out of 70
According to 30:30:40 pattern his marks should be above 89 in math and above 83 in chemistry.
He is currently preparing for IIT JEEE ADVANCED and BITS pilani tests. In JEE MAINS he got 97.18 percentile. Many institutions have eligibility criteria of 75% marks in PCM of board exam. Because of math and chemistry marks he is in depression. Please solve this issue as soon as possible.
Pls find attachments results of class xi and classs xll preboard. I shall be very thankful to you.