ISB might be better than IIM for some students due to several reasons:
Shorter Program Duration: ISB offers a one-year MBA, allowing students to return to work faster compared to the two-year programs at IIMs​.
Experienced Peer Group: ISB typically admits mid-career professionals, enhancing peer learning and networking opportunities​.
Global Exposure: ISB has strong international ties and ranks higher in global MBA rankings, providing better global exposure.
Better Placements: ISB often has better placement statistics with more job offers per student due to a larger class size and extensive alumni network​.
Overall, ISB's focus on experienced professionals, global exposure, and a shorter program duration make it a compelling choice for many students.