Life at a B-school is all about the priorities you set for yourself. Make sure you make the most of the resources available. There are case study competitions, fests, sports, seminars, guest lectures, being part of clubs/committees and much more. However, you have to remember that at the end of the two years, all that matters is your CV. And, the period in these two years is the last chance that you will get to make it look good. So make the most of the two years, gather as much experience as possible and at the end of the day, have fun!