B.Arch

Hello,
Hope you are doing well. Yes, definitely you can get a college and admission with the marks of B.Arch in top colleges of architecture, if you are interested in architecture field. Otherwise, go with the JEE Mains rank and marks for engineering. Try to fill forms for different architecture college in city and get the admission on it. All the best.

Congratulations on your result.
Well, to get a good B.Arch college, you need to attempt NATA entrance exam and score good marks in it. But if you want to go in any private college, you can go but somehow you need to clear the NATA exam.
Hope this helps.

A minimum of 60% is required for getting admission in any branch. Go to the counseling you may get admission according to your rank and class 10th marks.

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.