plss advice me.......

i have my attempt due in november 2011, and i'm preparing for 2 group only..but with 2nd grup i am cosidering to prepare 1 subject of 1st group also..as i'm good at practical so i was thinking of preparing A/C's from PRAVEEN SHARMA or SFM from ADITYA JAIN.

           so please guide me whether i should start A/C's ( batch will commence in last week of may and will end in september) or SFM ( batch will start on 2 march nd it will end on 15 june ) in which i could get exemption ???