Hello Akriti, Greetings!

First of all congratulations on getting admission.

As far as your withdrawal of admission is concerned, your admission will be cancelled automatically if you will not go to collect the study material or you will not go to attend the exams. Although, the fees is non refundable.

You can find more on the official website:

https://sol.du.ac.in/welcome/english.php

Thank you, hope this helps.