I would be mentioning steps to follow if you want to get into XLRI for BM. So, here's how it goes:
Both of these steps is a pretty easy task to do and to achieve these skills, you do not require to do something extraordinary. Even if you have any coaching around your locality, perhaps consider joining it as they can provide you the guidance that is required.
Also, something which is more important and needs more emphasis are a few factors, which I feel you should introspection on are:
The reason I mention these is that they are generally asked by the interviewers. I hope my answer has given you direction.