hello ayan bera,

you can check the below link by copy and paste it in the address bar of your browser, to know the syllabus of b.arch for the jee main entrance exam:

https://engineering.careers360.com/articles/jee-main-syllabus

all the best!

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)