Can I get admission in a good B-School for MBA after completing B.Com with 59% marks?

Yes, you can get admission in a reputed B-school.

Yes, as per the rule you are eligible. You should appear in the entrance exams like MAT, CAT, XAT, CMAT and state government conducted entrance exams.

You are eligible to seek admission in prestigious B-Schools. You are advised to appear in MBA entrance exams such as CAT, XAT, MAT, SNSP, NMAT, IIFT, IRMA to do MBA or PGDM from a good university or B-School.