What should I do after clearing JEE (for B.Arch)?

Neetika, you need to give NATA too for admission to B.Arch along with your JEE score. Apply for CCB counseling for admission. Many private universities offer admissions without CCB too just with your JEE and NATA score. They have good placement records too. Few of them also offer scholarships on you

You need to submit your rank and based on that cut off, you will get a seat in an architecture college.

You need to clear NATA and JEE for B.Arch. which can give you an array of college. If you have cleared JEE Mains then get enrolled for JEE Advanced exam.