how to study group2 final??

 hello everybody...we all know that final results were bad....i passed group 1 but couldn't make it with group 2....totally shocking....i'am just not having any clue as to how should i prepare for the may'10 exam....please help na....i wrote mics so well..was expectin above 60s but surprisingly i did'nt even pass in it....please guide me for my next preparation

costing---what should i do so that i can do problems faster??

direct taxes----it scares the hell out of me.no clue what to do.

indirect taxes----i prepared well but not able to answer the questions perfectly in the exam.especially the questions from the common topics.the questions asked from common topics are totally beyond my reach.

please help me out of this.