Greetings,
Personal Interview Round in IIMs and all other top B-schools is the most important part of MBA admission process and commands even higher weightage than you have scored in CAT and all.
My one of the acquainted friend gave the interview told me it was quite smooth he was asked about his qualifications hobbies and all, if you'll be prepared for all of this then surely you'll not face any such problems.
I hope it might help you !!
Best of luck !!
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