Hello,
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Differences between the Courses:
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B.com:
Bachelor of  commerce. It studies about account, finance, industries, business, economics etc., Must be a good in numbers for selecting B.Com. more advised for the one who wants to do CA, CS. Only B.Com has no value must study M.com or MBA for adding up value and getting a good reputated job. Can get a job in bank's, taxation , account etc.,

BBA:
Bachelor of business administration. This course is purely for business purposes like admiration, managing business, development of companies shares, etc., mostly advised for business minded people.  BBA has a good value as it is a pure business course, can get a job after graduation but still need a master courses for more better jobs. Can get a job in banking, advertising agencies, finance, manager's, it companies etc.,

Here are the complete difference and details, choose according to your interest and future ambitions

Hello,

A Bachelor of Commerce is an undergraduate degree in commerce and related subjects, whereas, Business administration is the administration of a business. It includes all aspects of overseeing and supervising business operations. From the point of view of management and leadership, it also covers fields that include accounting, finance, project management and marketing.

If you want to pursue postgradution, then BBA is not a good option as there will be only one option that you could choose for PG,i.e., MBA. Whereas, after B.Com, you can go for M.Com, MBA, MCA, CA, MMS, etc.

Broadly discussing then BBA is a gateway for the business related studies and B.Com deals with Accounting,  Economics, Business Law, Taxation, Insurance and management.

Both courses are good in their own way as they belong to totally different background. So, the choice is yours depending on your interests.

Best Wishes.