B.Com

Your percentage should be more than 80 as per the previous year records.

They required your class 10thand class 12th marks sheet. Character certificate, transfer certificate, medical fitness documents, caste certificate if applicable.

There is less chance to get North Campus by this much percentage. Hope you will get this college.

Yes, the minimum eligibility is candidate must be graduated from a recognized university.
Good Luck.

Here is admission procedure for DU you can check all the important details
https://www.shiksha.com/university/du-Delhi-university-24642/admission
And, for other college visit the home website of DU.

Fees will be approximately INR. 30-40 k in this college for this course.

There is no negative marking, as per my knowledge.
Good luck.

Please use given link for list of college
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/accounting-commerce/colleges/b-com-colleges-Delhi-ncr&ved=2ahUKEwj-roiRs6TiAhWd7XMBHdxWC0wQFjABegQIAhAB&usg=AOvVaw1XZPSq-J83VdVMwSHHAOdp.

Congratulations for scoring very good marks. Yes, definitely you can get admission in SBSC College inB.Com Hon. Don't worry, just fill the application form.

If you haven't crossed the minimum age limit criteria for Bachelor's (21 years or 23 years), then you are eligible. Provided you are qualifying on other parameters. However, the questions can be raised for your stream change. Hope this helps. Good Luck.