MODULE & COMPILER OF ICAI IS ENOUGH....THE CORRECT STRATEGY WOULD BE ------
FIRST OF ALL SOLVE MODULE THOROUGHLY,THEREAFTER PRACTICE COMPILER ISSUED BY ICAI.... EVEN THEN IF YOU HAVE SUFFICIENT TIME LEFT THEN REFER PADHUKA FOR COSTING & ASHISH KALRA FOR FM.......
BUT AT THE TIME OF EXAMS RESTRICT YOURSELF TO COMPILER & MODULE OF ICAI.