Yes. It is absolutely worth joining IIM Indore for the IPM Program. Though, you need to clear the IPMAT and the interviews. One of my friends had completed the IPM program at IIM Indore and here are some facts that may be useful to you.
In the evening, things are a bit relaxed as people pursue their interests, sports or hang out with their friends. Things might be hectic on some days, but it will not be boring at IIM Indore.