Guru Gobind Singh Indraprastha University

Hey ayush
May be it is possible or may be not. Because It is totally depends upon colleges. But they definitely provide you some relaxation. i would suggest you to talk directly with them.

iim culcutt is good for you

Eligibility: B.Tech
Qualifying Exam: Pass 10+2 or equivalent exam from a recognised board.
Subjects: Pass the above exam with Physics, Chemistry and Mathematics and English subjects. Minimum Marks:Obtain minimum 55% marks.

Yes, you can just try for the counselling. It is difficult to say for IP but you will definitely get a seat in Vaastu Kala.

You have got a nice rank in BBA CET exam. So, you can easily get admission in the top IPU affiliated colleges but for that, you should keep looking up for the counselling. It also depends that you are from Delhi or Outside Delhi? The colleges that you might get are JIMS Rohini, VIPS Pitampura, etc.

Looks a little difficult, but there are a lot of options. Try some others. Visit this link to check B.Arch colleges based upon your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6919840
Then visit this link for various colleges which provides you brochure:
https://www.shiksha.com/architecture-planning/colleges/b-arch-colleges-india
Check the link below to get a list of approved Architectural Colleges:
https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26

Yes, you have a very good chance of Gettinf into GGSIPU.