Architecture

Yeah, Architecture is a very good course. Its also having wide placement and attractive salary packages. Check the salary packages and more about architecture here.
www.payscale.com/research/IN/Degree=Bachelor_of_Architecture_(BArch)/Salary

If you had PCM at +2 stage you can do B.Arch even after B.Com.

Yes u can u can join KITM kurukshetra best college of haryana

no colllage on ur board basis

Check out the link below and search for B.Arch :
http://www.gndu.ac.in/gndu2014/Gndu_Pdf/prospectus.pdf

No, its only through NATA entrance test

Follow the link for details :
https://www.shiksha.com/architecture-planning/colleges/b-arch-colleges-india

Yes, architecture has a good scope as it is an upcoming field.

First of all arch students does not have the placements .
All they have to practice in studio.design studio .
And after having some experience you can get upto 70000-80000 if & only iff you have the ability to study architecture well enough

Yeah it does a lot!!! Bcoz the need for sustainable organic housing readily increases as the cities expanded, group housing ,master planning & much more stuff.
You can studyy in SPAs , JJ college of architecture , sushant school of architecture ,LS raheja ,BITS pilani , much more perstigious institutes all over India.
All you have to do is to g8ve NATA.Jee b arch.
After having degree in bachelors one can make a good decent living by earning 25000 -30000 per month .
Bt as the time pases it grows upto 70000-90000.