Hi sravan,

Yes, definitely you can go for regular mba even after completing your graduation form an open university.If your open university is recognized by the government Of India then you can appear for any entrance exam like CAT/XAT/MAT/CMAT/SNAP/IIFT/ATMA to get admission in MBA colleges.

The eligibity for these above mentioned exams are:-

1. You must have completed your graduation from a recognized University.

2.50% marks is required for general category student and 45% marks for ST/SC students in their graduation.

I hope the information is helpful for you. All the best! :)