Hi, I am going to do BBA in aviation management.Can anybody tell that what are the subjects in that? Is it necessary to have a knowledge in Physics and Mathematics? Because I did commerce in my 12th standard.And what are the scope in this field?

You should try using Google.

Here's the curriculum from Embry-Riddle University:

http://www.erau.edu/db/degrees/b-aviationmgt.html
(http://www.erau.edu/db/degrees/b-aviationmgt.html)