hi naveen, 

thankyou for approaching us . below given is the eligibility list to apply for OJEE. if you have all those eligibilities then you can surely write the exam.

Nationality: The candidate needs to be an Indian citizen. NRIs and persons of Indian origin can also apply but they will only be considered for supernumerary seats.

Qualifying Exam: The candidate must have passed 10+2 conducted by Council of Higher Secondary Education (CHSE), Odisha or an equivalent exam

Marks in the Qualifying exam: The candidate must have scored a minimum of 45% marks in aggregate in the qualifying exam in accordance with OJEE eligibility criteria 2018. In case of SC and ST candidates, the minimum requirement is 40% marks.

Subjects combination in Qualifying Exam: As per OJEE 2018 eligibility criteria, the candidate needs to have mathematics,physics and language as the compulsory subjects along with any of these subjects,biology,chemistry , biotech , electronics , computer science , statistics , geology , IT , technical vocational subjects.

hope the information was helpfull

all the best:)