Hello student!

Cut off depends on various factors, and vary from subject to subject. As you haven't mentioned your specific subject, cut off for BSc for various subjects goes above 85 for unreserved category.

Here is the link for more information about previous year cut off for DDU- https://www.google.com/amp/s/university.careers360.com/articles/ddu-cut-off/amp

Hope it is clear!

Regards, careers360.