Hii Abuzar!

During counseling at JMI for BA LLB, you need to submit your age proof certificate, which can be your D.O.B. Certificate or your 10th and 12th class certificates. If you don't have D.O.B  certificate, show your class 10th or 12th certificate.

For more details refer the following link-

https://www.google.com/amp/s/law.careers360.com/articles/jmi-ba-llb-counselling/amp

Hope this helps.

Good luck!