You are eligible to do MBA after Bsc. As per the basic eligibility criteria you should have minimum 50 percent in your graduation (general candidate) and 45% if from reserved category.

Now for the specialization you are asking for, after BSc you can get choose the one you are interested like:

*Operations
*Finance
*Sales and Marketing
*Human Resource
*IT
*Entrepreneurship etc.

Now if you have interest in computers then you can opt for MBA in IT or software management.
You can even opt for dual specialization courses like MBA in Finance and HR etc.
So it also depends upon your interest. Know the pros and cons for each specialization before choosing.

Hope this helps.