Where can I find non profit cases to practice? BCG gives a lot of them in interviews. Also, how should one approach such cases?
You should check out Bridgespan website. McKinsey site also has a case example on social sector.
Related BootCamp article(s)
I passed the first round interviews of McK and got a feedback that I have to internalize and customize my structure more according to the case instead of using book-specific structure. How can I do that?