Hello !!yahh..you can go for MBA after bca,and this is the popular course optional for higher studies after bca.A lot of bca graduates take up this MBA course after their graduation.To get into the MBA admission in an MBA course you have to attend  the entrance exam for MBA like CAT,XAT,MAT. According to me it is to go for MBA course as you already studies briefly about management .Hope this information may helps you.Good luck!!