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B.com after courses in computer carrier in life

Hello,
It totally depends upon you,in which field you are willing to pursue your career. 
I will provide you with few of the course which you do.

Course: 

Marketing :

Web Designing / Graphics Designing / UI/UX Front End Developer.

Search Engine Optimize SEO / Search Engine Marketing / Digital Web Marketing.

Designing softwares like AutoCAD, Photoshop.

Finance:

Microsoft suite.

Macro and C++ , Java programming language (this helps with excel).

Bloomberg and Reuters.

Tally/SAP.

Informatics/SQL.

Operations:

Software Test Engineer / QA Engineer / Quality Assurance.

JETKING (Hardware)/ NIIT/ ICA(Accounts related).

I hope this information helps you.
Thank You.