Central Board Of Secondary Education [CBSE] — School doing partiality between regular and dummy students

Respected cbse,
I am Ankur jain from class 12th (P.c.m) and I'm submitting report here for our marks calculation . I am from sagar Madhya Pradesh from joy and Campion public senior secondary school where my school doing partiality between regular students and dummy students.
I am regular student and my performance is also good enough to get 75% on cbse 12th result but my school give 90% + to all 60 students which are dummy or we can say thid they are studying in kota and giving extra fees to maintain their marks and stability in school so school taking extra money from them and giving them good marks but for regular students they just provide a under 70 % marks .

I got 64.4 % marks which are not possible and not are according to your 30 + 40 + 40 criteria .

You can ask our school to resubmit marks please.
Its humble request to take a action .

Your honourable.

I am providing you my result and dummy students result, they even didn't appers on 11th final exam and pre borad exam they didn't even given any exam but got 90% + marks .

Its all the power of money please help.