If you have good marks in B.com ( computer application) and interest to pursue higher studies you can go for PGDCA orM.com ( computer application) and after masters degree you can do doctorate degree course. You can do any professional programs such as MCA. There are various reputed jobs for B.Com in Computer Application graduates in the computer field such as accounting, banking, marketing, e-commerce, teaching, software industry, insurance and stock markets and can found work in various banks as Probationary officer, Loan officer or Collection officer .