B.Arch

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7476690
Kindly visit this link.

https://www.shiksha.com/b-tech/resources/jee-main-rank-predictor
Kindly visit this link.

Yes, your Mark are good enough to get admission in NIT in B.Arch. You can apply in best NIT you like. You can get admission in any NIT with this much marks.
You can admission in nit kanpur , nit Bhopal, nit indor. You can try to get admission in all this NIT's.
Good luck.

If NITs are old, then it is very good for architecture.

Yes, you can get this college by your NATA scorecard.

BITS, Mesra, Ranchi
School of Planning & ArchitectureBhopal
School of Planning & Architecture Delhi
Shri Mata Vaishno Devi University Jammu & Kashmir
School of Planning & Architecture Vijayawada
Chandigarh college of ArchitectureChandigarh
SRM UniversityChennai
Punjab Technical UniversityPatna
PM College of EngineeringSonepat
Himgiri Zee UniversityDehradun.

Hello,
Yes, you can take admission in the courses of B.Arch after scoring good marks in the JEE Main Paper 2 exam. The JEE Main Paper 2 is conducted for admission in the B.Arch and B. Planning Courses in India in various colleges and Universities. The JEE Main Paper 2 was conducted on 8th April 2018 where several candidates appeared for it.

JEE Mains Paper 2 and NATA, both the exams are conducted for admission into 5 years Architecture courses. This being the similarity, there are also many differences between these two courses.
The duration for both the exams is 3 Hours.
It is believed that the difficulty level for JEE Mains is higher as compared to NATA.
The institutes that give admission on the basis of JEE Mains paper 2 are NITs and GFTIs whereas by NATA you get admission into Private colleges and State level colleges, other than NITs and IITs.
The mode of exam for both the exams is offline.