Hello Aspirant,

Yes definitely you will be eligible for JEE-Advance 2023 if you qualify JEE-Main 2023 because you class 12th marks will not restrict you as you belongs to OBC category and for OBC-NCL candidates need to have at least 65% in class 12th or more and you have already secured 65% marks in class 12th being an OBC candidate so you will be eligible for it even if the criteria gets restored next year.

Also note that maximum attempts allowed for JEE-Advance is 2 in 2 consecutive years, first attempt in the passing year of class 12th or equivalent examination and second attempt in very next year to that. Similarly for JEE-Main maximum attempts allowed for JEE-Main is 3 in 3 consecutive years, first attempt in the passing year of class 12th or equivalent examination and second attempt in very next year to that followed by third attempt in third year.

For more details kindly check out the links given below :-

JEE Advanced Eligibility Criteria 2022 - Check Age Limit, Domicile, Average Marks (careers360.com)

JEE Main Eligibility Criteria 2022 (Released) - Check Age Limit, Qualifying Marks, Number of Attempts (careers360.com)

I hope this information helps you.

Good Luck!!