Hi there!!!! It is predicted that the cutoff this year for OBC will be somewhere around 80-85. But since the results are not yet declared nothing can be said with certainty since the cutoffs and their corresponding ranks keep changing each year. So you have to wait for the final results. You can checkout previous years cutoff using the link: https://engineering.careers360.com/articles/jee-advanced-cutoff/amp

Best of luck!!