As of now, there is nothing out for application dates and cut off for 2018 session but as per previous year information chances are decent to get admission in UG programs like B.Com and B.Sc with 91% in DU. So for reference, you can go through the below links -

https://university.careers360.com/articles/du-application-form

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

Good Luck!!!