You can take admission in Air Force after acquiring degree in commerce, but you need to fulfill following requirements:

You are eligible for following branches:

Flying Branch
Technical Branch
Ground Duty Branches

Required qualification:
The applicant should be Graduate (Three Year Course) in any discipline from a recognised university (with Physics and Mathematics at 10+2 level) You need to have Physics and Mathematics at 12th class.

Age limit:
19-23 years,

Marital Status
Candidates below the age of 25 years must be Unmarried.

Nationality
Indian

Gender
This is applicable to both men and women.