There are many options availbale it depends on your interest & Career goal. After B.Sc you can go for M.Sc programme with your desired specialization as there will be more opportunities after completing post graduation programme in teaching profession.

If you are interested to connect with the corporate world then you can go for MBA with your desired specialization. But if you are interested for doing the job then I would suggest you to prepare the Gov. Exams like Banking, SSCGL, RRB etc. You can also go for -

Research analyst
Teachers
Technical Writer/Editor
Consultant

You can choose the option as per your interest.

Good Luck!