Hey
As per the cutoff trends for JEE mains paper 2 you have chances of getting a seat in NIT Trichy and SPA Delhi. You can refer the link for cutoff trends.
https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning/amp

Some other colleges you have chances of getting a seat in are:

• NIT Rourkela
• NIT Hamirpur
• NIT Patna
  
• NIT Raipur

For more predictions based on your rank in paper 2 you can use the college predictor tool.
https://engineering.careers360.com/jee-main-architecture-college-predictor?utm_source=qna&utm_medium=jee_barch_cp

With an SC Ranking of 64 in JEE Main Paper 2, I believe you have fair chances of securing B.Arch in some of the Best Architecture Colleges like SPA New Delhi, NIT Trichy, NIT Rourkela and many others.

For more information and College Prediction do follow the link below

https://engineering.careers360.com/jee-main-architecture-college-predictor?utm_source=qna&utm_medium=jee_barch_cp

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