BBA

TYhe minimum percentage for BBA in IMU, Chennai and Cochin is above 95%. They take students only having above 95%. So, for getting admission there you should have this much percentage.
Good luck.

For merit list in IMU, Chennai or Cochin, you must score above 95%. According to last year's records, you must have above 95% for getting your name in the merit list.

No, you can't admission in SSCBS for BBA because for getting admission there you should have above 75% in your 12th class without this you can't get admission there.
Good luck!!

The average full time fee charged for the course in India ranges between INR 18,000 to 2.6 Lacs for each year, and the average annual salary offered to such professionals varies from INR 2 to 6 Lacs per annum, increasing with experience and expertise.

You can get the list of top colleges in Maharashtra for BBA by the given:
https://www.shiksha.com/bba/ranking/top-bba-colleges-in-Maharashtra/93-2-114-0-0.

Dear Dev!
Many of the private college don't consider NIOS Student for their regular course. So firstly you need to contact the college administration asking your eligibility. If you are eligible, then the procedure is same as like of any other board candidates.
Hope this helps.
Good Luck.

No entrance for aviation. If you want to take admission, you can visit the campus directly. Also, the BBA aviation is little costly course. it is one of the top college in Bangalore is Hindustan.