Yes you need to prepare maths for taking admission in jamia milia islamia for bba course.You can refer to below given link for more details:

http://jmi.ac.in/cdol/courses-name/Bachelor_of_Business_Administration_BBA-519/2

You can comment below if you have any query.

Good luck.

Dear Mlukul

Yes, you need to prepare on maths subject too.

Please refer the link provided by Ankur, so that you'll get more information than you expect and also you can see the instructions too.

All the best.

Hey

Yes, you have to prepare Mathematics for admission in JMI BBA.
Here you can find the complete syllabus of Entrance Test: https://www.collegedekho.com/exams/exam-pattern-jamia-millia-islamia-entrance-testjmiee-bba-2017/

All the best!