How to get into IITs for B.Arch course?

First you need to have minimum 75% in boards. Then you need to give and qualify JEE Mains and then give and qualify JEE advance and then you will be eligible for applying for AAT exam you need to qualify it and through your AAT score you will get B.Arch courses in IITs.

For getting admission in architecture course you must qualify in JEE main paper 2 (which is for B.Arch in your respective category. https://www.google.co.in/amp/s/www.shiksha.com/architecture-planning/course/amp/b-arch-indian-institute-of-technology-roorkee-8343 best of luck for any further query