Hello deepak,

Congratulations for the score you have got in you 10+2 standard. 

With 80% in 10+2 you can easily give the entrance exam of DU JAT BMS without any issue. But to get admission in keshav mahavidyalaya that is north campus , for this you need to score a good meri score in your entrance to get yourself eligible for the admission in the required course. So prepare accordingly. 

As well as you can download DU JAT sample papers from career 360 itself. I am providing you the link which will redirect you to download tha sample paper. 

https://bschool.careers360.com/download/du-jat-sample-papers-previous-years

All the best have a great future ahead.