Hello Rupa , Basically BBA is 3 years under graduate degree course which develop business and entrepreneurs skills. BBA is specialized with finance, marketing, HR and many other fields. Subject involved in BBA are following:

• Principles of Management.
• Business Mathematics & Statistics.
• Introduction to Operations Research.
• Business Economics.
• Financial & Management Accounting.
• Production & Material Management.
• Personnel Management & Industry Relations.
• Marketing Management.

And many more.

Hope it will be helpful for you :)