B.Arch Eligibility

If you are general candidate, then no. Work harder, try to get at least 98.5 percentile to stand a decent chance to get into one of the NITs, IIEST or B.Plan in SPAs and MANIT.
You can try for different private and semi-private colleges. There are plenty of Architecture colleges apart from NITs and SPAs which are good in their own right.

Yes,you will get B.Arch very easily. Just participate in counselling process.

Chances are less, because if you want to join in particular NIT College, they should score below 5000 nearly. If not, wait for few more counseling and get admission in that particular college.

You will get e-mails from VIT for any further actions.

None of the IITs offer admission on the basis of JEE Mains. They offer admission to students on the basis of JEE Advanced. If you wish to have admission in this college, then please give JEE Advanced and secure a good rank.

Yes, it is compulsory and outsiders can apply.

High chances that you can land in that college with that percentile.

Yes you are. Hi, in NATA 2019 regulations, you have to secure at least 50% Marks in physics, chemistry and mathematics and an aggregate of at least 50% marks in board examinations.

Admission in Jamia Millia Islamia for B.Arch is through JEE Paper 2 ranks.

The last year opening and closing ranks at IIT, Roorkee in B.Arch female general category was 10503 and 12940 respectively. So you deserved for admission.