Hello student.

Hope you are doing well.

For B.Arch at 646 ews rank, according to previous year cut-off you might get,

• NIT bhopal
• NIT Jaipur
• NIT Hamirpur
• NIT Patna
• NIT Rourkela

Apart from them you can check all previous year cut-off's here at this link:

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

Also you can check and find yourself a suitable college for B.Arch using this link:

https://engineering.careers360.com/jee-main-architecture-college-predictor?ici=cp-listing_engineering&icn=JEE-Main-Architecture-College-Predictor

Hope this will help you. Have a great day!

Good luck!!