Hey Tonmoy!

As you know ,DU is a very reputed university and such type of mistake is really unexceptional from them . This can also be a technical issue. I suggest you to try downloading the admit card from the official website of DU by entering all the required details again after some time .After some time , the technical issue might have been resolved , if there.Also , make sure that you are entering the correct details only . Also , download it only from the official website of DU or from the bottom mentioned link.

And if this doesn't work the same way. Then , you should immediately bring this to the notice of university officials and ask them to help you in your issue. If you need their contacts , then follow the given link :

http://www.du.ac.in/du/index.php?page=law-2

Then you can download your new admit card again from their official website only. Also do not forget to save a copy of it for future references. To know more about DU llb admit card 2019,follow the given link.

Https://law.careers360.com/articles/du-llb-admit-card

Hope it helps!