This differs from college to college. Some colleges have specialised IB from very first year and some have it as Minor Specialization in IB from second year of MBa. 

Top Colleges for MBA in International business are IIFT and KJ Somaiya Mumbai which have excellent placement statistics  And are recommended for its brand reputation and learning . 

Dear hirave

During the second year in MBA you can choose specialization and at that time the specialization you can choose different subjects according to your interest and the subjects provide depends on the particular University 

If your Universitiy  provide this subject you can 

Best of luck