Plz anybody guide me - ca final !st gp

I am CA final student and working in pvt ltd .Can any one guide me how much time (in month)to be required for preparation of CA final 1st gp bcoz coming May 2014 i definitely clear the 1 st gp & 2nd gp already cleared . Totally upset with nov-2013 exam result coz failed!!!!.Last time i taken one month leave and prepared for examination.I know whether 1 month is enough or not for me. Anybody guide me (Time required for each subject wise). How to prepare for theory paper and sum paper. The following books are i followed Financial reporting - MPV AS - MPV Strategic Mgt - Pattabi Ram Auditing - G sekar Law - Jayaraman notes kindly anybody guide meeeeeeeeeeeee..........