Dear Aspirant,

If you have tried multiple times with different networks and file types and systems but it's not working. Then kindly contact to the DU concerned authority about the problem they will help you accordingly.

Contact information of DU:- dir_col@du.ac.in  , registrar@du.ac.in , 91-11-27666713 , 91-11-27667853 .

For more information on DU check this link:- https://www.careers360.com/university/university-of-delhi-delhi

Hope this helps.

Good Luck!