Hi Tanya

I'm unsure of which enrollment number you have filled wrong. If it is your class 12th enrollment number, that could be rectified at the time of counselling. However, I would still recommend you to talk to DU authorities regarding this issue to avoid problems at a future stage.

For contact details of DU authority, follow this link: http://www.du.ac.in/du/index.php?page=contact-us