Dear 

you should refer to the following link to check the possibility of getting admission in one of the colleges who consider NATA as the admission criteria for Barch. 

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

Also predict your rank on the basis of following link.

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

GOOD LUCK!!