Hey.

There is no requirement as such for any knowledge if Urdu in order to take admission in the BA LLb course.

Tcandidatehe eligibility criteria for the B.A.LLB.(Hons.) Course is required to have: (i) Passed the class XII examination in the 10+2 scheme or its equivalent in any discipline securing in the aggregate not less than 50% of the total marks in all the core subjects and English Language.

You can use the link below for more.

https://www.google.co.in/amp/s/law.careers360.com/articles/jmi-ba-llb-eligibility-criteria%3famp

Best of luck!