Hello Surender Singh, 

You as an applicant must pass your tenth and twelfth from schools of Chhattisgarh. You should have score of minimum 50% of marks in Physics and Mathematics in class twelfth. 

In case of (SC/ST/OBC/PWD) candidates 45% in their twelfth are minimum marks for eligibility. 

Hope the above provided information helped you. 

Thank you!