Central Board Of Secondary Education [CBSE] — I am unsatisfied with my marks because teachers done partiality with me

Address:

Sanjay coloney ,Assoura road, opp Hikarifarm house , hapur

Sir i am a student of class 12th cbse batch[protected] .I have done My 12th from Smt. Kamla Agarwal Public School, School in Hapur, Uttar Pradesh. Sir i want to complain about my school teacher that unjusticely give me marks, sir as you know our results came without boards and all the result marks is in schools hand., so the school teacher only give high marks to their tuition student ( like they give 96%, 90 above %, 80 above to his tuition student) and give high marks to them who are getting to fail but they was studying in amit sir(maths teacher and controls the whole school) tuition and i am no studied in his tuition that's why they give me70.2% . Sir i wanted to say that how came they give me 70.2% in my 10th class i score 80 and above in most of the subject, and in 11th every student get 40-50 and less marks and in 11th even topper get 63% and in 12th all exams are conducted online and i score very good marks in it and also in my all subject practical i performed very well and the examiner give me full marks so on what basis they are giving me 70% and giving their tuition student 95% and also school calls their tuition student on 1 july to give pre board and
send question paper to students and tell them to find answers of it and on 2july they conduct exam of that question paper for some fav students and students are written exam by answer sheet in their hand . Sir please help me they do very bad with me this is not a justice