Hey

83% is an average score for getting admission in Delhi University. You didn't mention clearly whether you want to pursue BA hons or BA prog.

The cut offs depends upon the subjects or the combination of subjects in BA hons or BA prog respectively. Since, you are from OBC category, there are chances of getting admission after release of several cut offs. The cut off vary every year so specific colleges can't be estimated. However, you can check the expected cut offs here-

https://university.careers360.com/articles/du-admission

You can also predict colleges -

https://university.careers360.com/delhi-university-college-predictor

Thank you