Hi aspirant,

1. To register and fill out the admission form for a BBA program, go to the college or university's website.
2. Search for the "Admissions" or "Apply Now" area.  You'll most likely have to make an account before you can log in and fill out the online application form.
3. This will entail filling up your personal information, educational qualifications, and submitting necessary documents such as mark sheets and ID verification.
4. Finally, you will pay your application cost online.
5. Some colleges may additionally need you to take an entrance exam or interview as part of the admissions process.
6. It is recommended to visit the official websites of the colleges you are interested in before taking admission.

All the best!