As per the eligibility, You should have an aggregate of at least 60% (class XII) in four papers including English, Mathematics and other two subjects from the list of elective subjects as approved by the University of Delhi. You can check the complete eligibility with the given below link.

https://bschool.careers360.com/articles/du-jat-eligibility-criteria

Good Luck!

Hello,

I woudl like to tell you that there is an entire section on Mathematics in DU JAT examination.

So i prefer you study Math if you are adamant on giving DU JAT.

Hope that helps and all the very best to you!