There are many short term courses that one can pursue along with Bachelor in Business Administration (BBA):

For quality oriented careers go for SIX SIGMA courses
For animation oriented careers go for MAYA, FLASH courses
For data entry operator courses go for Data base courses
For networking oriented courses go for CCNA
To become a DBA go for oracle
BS Communication
Corporate Training Program
Event Management
Fashion Designing
Journalism
Mass Communication
Textile Designing
DIT,
CCC,
C++,
JAVA,
.NET,
ORACLE
English Speaking course
Software and hardware course
Animation, etc