Architecture

You can register with COA (Council of Architecture) after completing your B.Arch degree. You can also pursue advanced courses in B.Arch that are given below:
Advance Architecture Courses:
Master of Architecture (M.Arch)
Ph.D in Architecture
The disciplines in Architecture are Transport Planning, History

Please refer to the link provided below for the list of colleges which offer courses in architecture in India.You should be able to navigate to a college and course of your choice using the filters on the page.
Link: https://www.shiksha.com/architecture-planning/colleges/colleges-india

You need to score a minimum of 70% in HSC to appear for JEE Mains paper 2.

Please refer to the link provided below for details regarding admissions in B.Sc Interior designing in Delhi School of Arch. and Design. You should be able to download their brochure which will give you accurate details regarding admissions and eligibility for a course in B.Sc (Interior Design) in t

Yes, a commerce student can also pursue B.Arch but you should clear 12th with maths as a compulsory subject.

Eligibility Of the Bachelor of Architecture [B.Arch.]
The duration of the course is 5 years and to get admission into B.Arch. the student must be fulfilled the following conditions:
10+2 or equivalent with minimum 50% marks along with compulsory subject of mathematics.
10th + 3 years diploma in any str