Exam

I think your rank will be around 40000-60000 or more as per your score in SRMJEE and this score is not enough to get a good branch or even admission into SRM University and its campuses. Maybe you can get the Delhi NCR campus.
Try in the counselling.

Considering your JEE Mains paper 2 and NATA score there is no way to get admission in USAP. I know you have OBC quota but your rank is too high.

R V School of Architecture, RVCE, Bangalore
Faculty of Architecture, Manipal University
Sinhgad College of Architecture
Rizvi College of Architecture (RCA) Chitkara
School of Planning & Architecture

Yes, you can definitely get admission in any of the NITs/IITs because you have SC category reservation. You can check cutoffs of colleges as www.josaa.nic.in.

Hi,
Kindly use the JEE Mains college predictor app to get more insights about the shortlisted colleges for your JEE Mains score:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

You can pursue law at any point of time. Check out with the state universities offering 3-year LLB.

Hi Dear,
Kindly use the JEE Mains college predictor app to get more insights about the shortlisted colleges for your JEE Mains score:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Both the colleges are the top private colleges in Jaipur, but VGU is preferable, I guess.