Hello Akash,
For getting admission in Delhi University you first need to fill up the form which will be available after the 12th board result. For different colleges there are different cut-offs depending upon category to category and round of the cut-off.
Please go the link provided to know all the details and the cut-off of different rounds of B.Sc in 2018 of different rounds and branches
https://www.google.com/amp/s/university.careers360.com/articles/du-third-cutoff/amp
Hope this will help you. Feel free to ask any query.
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