What are your suggested methods to prepare in these months leading up to CAT '15 to be skilled enough to get into FMS?

As of now, you should have finished your 70-80% of course. In next 10 days, finish your rest of course. After that start practicing mock test papers, and after each test paper, analyse your answers, time you took, which question made you think, which question you got wrong, in that way you'll unders