Jamia Millia Islamia (A Central University ) is for the Engineering stream under pmsss and Jamia Millia Islamia is for the General degree stream. National Institutional Ranking Framework (NIRF) Rank 2020 is 16th so the competition is a little tough here.
There are two seats for the Computer Science and Engineering Cs branch which are allotted in the top 100 merits of pmsss students.
Next, after CS there is more competition for CIVIL Engineering whose seats are filled in FIrst round top 150 only.
Followed by Electronics and Mechanical Engineering are allotted up to 500 ranks.
There are two seats for the Electrical Engineering branch under Jamia Millia Islamia (A Central University) which are reserved in PMSSS 1st allotment round under the top 1000 merit students.
Conclusion
Based on your 12th marks according to previous year patterns, your rank may lie between 1500 to 1900 in the pmsss merit list. You are behind by just 500 ranks to get a seat in this college. Maybe if you had a category it may have brought wonders to you. But don't be sad there are many other Great Engineering Colleges with good placements in this rank you can get a CS branch very easily.
Fill Jamia Millia Islamia in choice filling also, give it a try as we are never aware of the trend maybe this year no one fills for Electrical branch.