Life at an IIM
You'll not be asked questions on your age and even if you are, you first need to convince yourself that age is not a factor that would determine your performance. The youngest student in my batch was 19 years old and he secured one of the best placement offers in Summers (in finance) - he was a fresher and a non-engineer. So, age doesn't determine your potential.
@Shweta Arora Thanks for the response. Have read a few experiences on Quora where the interviewer asked the candidate to get some work experience and then try later, given the young age of the candidate, so I was a little worried.