Hello,

Yes studying Architecture course in NIT is better than studying in Private Engineering Colleges in Karnataka. Because the value is more if you study in NITs. To get seat in this course in NITs you should get good rank in JEE Mains Paper-2.

To know JEE Mains Cutoffs go through below link.

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

For more information about B.Arch in NIT colleges go through below link.

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

You can predict colleges which offers seat through JEE Mains Paper-2.

https://engineering.careers360.com/jee-main-architecture-college-predictor

Hope this helps you.

Good Luck!!