Unless and until they say that they dont accept POF from specific banks...any registered/recogonised, private/nationalised, should be fine.
This has nothing to do with Canadian Immigration, but in India...recently about 2000 indian banks were blacklisted for student visa...
http://www.thehindubusinessline.com/industry-and-economy/article2571241.ece?homepage=true&ref=wl_home