Hey Sana.

There is a centre for the entrance exam for admission in Jamia Milia Islamia for the course of BA LLB in Kolkata. All the cities that have centres for this exam are- Delhi, Patna, Lucknow, Kolkata, Calicut, Srinagar, Guwahati. You can use the link below for any other details regarding the centres for Jamia Milia BA LLB entrance exam.

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

Best of luck