You have to fill JMI application form for this,There is no seprate exam conduct for this.Jee score cards are considered after filling the JMI application.You have to separatly fill application form for JMI but there is no any seprate exam conducting by the university.

Admission form will release on 1st week of feb

to know more about the Exam follow this link:https://engineering.careers360.com/articles/jamia-millia-islamia-jmi-btech-admissions

Hope this helps you