Right Now they don't have any cutoffs mentioned and as per the new formats cutoffs will be Percentile scores, But as per previous years trends You can assume that 90 Marks will be sufficient to qualify JEE Main, But don't make this as You target dream for More and be ready for any surprise in cutoffs if difficulty level changes, And as there will be two attempts so higher chances that anyone will perform better in some paper so there may be little bit elevation in Cutoffs but we can just qualitatively tell You exact predictions can be made only since both papers get over.