Colleges in Chandigarh

Hi,
There are two ways, one is online and other is direct. You can either apply through online also or direct admission, as college procedure is not too big, it depends how you want to apply.

Please visit this shiksha.com link on B.Sc in interior designing:
https://www.shiksha.com/design/interior-design/colleges/b-sc-colleges-delhi-ncr

Hi,
M.Sc. Biotechnology:
- Students who have passed the B.Sc. (Hons. School) in Biotechnology examination from Panjab University will be eligible for admission to the 1st year of the M.Sc. (Hons. School) Biotechnology, without the entrance test. In addition, the students who have passed B.Sc. In Biotechnology as elective or vocational are eligible for admission to 1st Year of the M.Sc. (Hons. School) Biotechnology on the basis of Entrance Test [OCET] to be conducted by Panjab University. Thanks!

I'll tell you the whole admission procedure in detail.
So, first of all, you'll have to register yourself on cu FastTrack and one unique I'd will be generated to you.
After that you'll have to register yourself for the admission test and if you clear that test then you're eligible for the admission and you can also avail scholarship from the University that will be compensated to your academic fee only.

As you are from commerce background, and you want to pursue B.Sc in airline and airport management, so as far as University's critiria is concerned, you can get admission in your favorite course, as you mentioned above i.e B.Sc in airline and airport management.

Please visit this site first
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjd0NzModzhAhUZfSsKHfLtA6UQFjAAegQIBBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H

For Commerce, Go for Delhi college of Arts and commerce. The faculty is very nice there!

Yes.
For BBA , 60% marks are required in your 10+2 so you're eligible for this course.
Good luck!