hi.in SFM derivatives and forex is very important...........b well versed with mkt scenario bcoz may12 exam was totally based on our understanding and present mkt scenario.........jb gupta + sd bala is best combination...........SFM is tough but not impossible to do................b thru wid merger,derivatives,capital budgeting is not so important,dont waste much tym there,portfolio is very important................u shud b through wid formulas and jb gupta and sd bala together can fetch u awesome score...................as far as tym is comcerned it all depends on u,there has to b quality in studying..............................all the best