Hello,

NATA is national aptitude test for architecture entrance examination. So the total marks is 200. And you got 90 which is average score. If you get above 130 to 140 then may be you will get government architecture college. But in this marks you will get private college. In Karnataka so many colleges are present, you can try this colleges. I'll provide you a link below you can check it for more details about the college

https://engineering.careers360.com/colleges/list-of-b-arch-colleges-in-karnataka

All the best.