There are no such information available. If you get admitted to the regular course then you have to attend the course as a regular student only for the tenure of the course. Now if you wish to take private courses, then you need to cancel the admission and then get admitted as a fresh student. Now if you want you may not attend the classes regularly but you must have the minimum attendance of 75% in order to be eligible for the examination.

To know more about DU visit the link below:

https://www.careers360.com/university/university-of-delhi-delhi

I hope this answer helps. All the very best for your future endeavors!