Hello Tejash

Yes,you can apply for both BBA and BA LLB at the same time in Christ University.But there entrance exams are conducted separately,for BBA you have to appear for CUET (Christ University Entrance Test) for UG courses and for LAW courses candidate have to appear for Christ University Law Entrance Test.

You can apply for both the courses at their official site,also the registration for the course is now open,so you can apply for it now.

I Hope It Helps

Best Of Luck!!!