There are some general guidelines that help during the selection in any top Business schools like ISB, Harvard, etc. Some of them are discussed below in points.
Leadership Quality:
Academics:
Work Experience:
Mutual Fit: Proving to the panel that you are a good fit for the role and have made extensive research on the profile would help a lot during the selection.
Career Goals:
Be Genuine:
Recommendation Letters:
Interview: Interview preparation has a lot of resources on the internet. Sounding originally is essential.
These are some of the key points that would aid during the preparation for a B-School like ISB.