HELLO

First of all congratulations on successfully clearing class 12 cbse board examination. The fact is that you can get a seat in NIT  by clearing the B.arch paper. The minimum criteria to appear in jee main Barch paper is 50 percent. So definitely you have to score good percentile in JEE main paper-2 in order to get a seat in prestigious institutes like NITs. But to get into prestigious IITs like IIT kharagpur and IIT kanpur you have to give Architecture aptitude test along with IIT-jee Scores.

Don't get panic and just try to score good marks in jee mains . ALL THE BEST FOR YOUR FUTURE.

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

hey aspirants,

as you know that, there is no weitage for class 12 marks in JEE. so, whatever marks you will get class 12, it will not effect on your jee rankings. and also not only clearing but also you have to secure good percentile for getting seat in IIT and NIT for architecture stream. thank you and all the best for your future...!!!