Dear 

Jee mains paper 2 is for architecture admission in few colleges only rest of them considers NATA score , you should refer to the following link to check the possibility of getting admission in one of them.

It contains college wise ,category wise cutoff of previous years of various colleges which will help you to predict your chances in getting admission in one of them!

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning?amp

And for the other colleges which consider NATA score

Refer to the link

Rank predictor:-

https://www.collegedekho.com/exam/nata/rank-predictor

Previous year Cutoff:-

https://collegedunia.com/news/e-271-nata-2015-cutoff

GOOD LUCK and KEEP ASKING!!