CBSE 12th

You should apply as soon, as it is possible, because the more you wait the more you lose. So, apply as soon as possible go to the respective website and filled application form with the required information.

Hello Vaishali
In 84%, it is impossible to get admission in DU for B.Com if you belong to general category, you have to try for another university too. You might get or not get admission in DU. Chances are really less.

Yes you have a high chance of getting into an IIM with that rank.

There are many colleges you can get across India with that marks. But it would not be possible to list all such colleges. There are plenty of arts colleges or degree colleges that you can seek admission based on your preference.
https://www.shiksha.com/humanities-social-sciences/ranking/top-arts-colleges-in-india/95-2-0-0-0
Check out this link to know about the top arts colleges in India.

Hello Priya,
Please wait as if you are qualified then they will definitely contact you and also sometimes the process gets postponed for some days, so don't worry.
Please visit this link below for further information:
https://www.shiksha.com/mass-communication-media/ranking/top-mass-communication-colleges-in-Mumbai-all/99-2-0-10224-0

Your marks are too low for admission to any government college. But you can secure admission in private colleges. Generally, private BBA programs are a bit expensive compared to the government ones.

Please use the college predictor tool by Shiksha. This will help you to predict the college according to your rank/percentile:
https://www.shiksha.com/college-predictor

It is a little difficult for you to take admission in this college because the cut-offs of these colleges are very high. You can wait for the last cut-off.