Hii Soni!

Kindly specify the location of the directorate for which you asked the question. If I suppose it is the Bihar directorate, Darbhanga, then you will get the assignment on the official website the link for which is provided below.

https://www.ddelnmu.ac.in/home/assignment.php

If it is any other directrate, kindly mention in the question,reframe the question and ask again.

Hope this helps.

Good luck!