Hi
Accounts-Hanif & Mukherjee or PC Tulsian
Law - Munish Bhandari
Ethics and communication - Institute Module
Costing- P C Tulsian
FM - PC Tulsian for practical problems, Theory from Institute book, which is in simple language
Taxation - Singhania
Adv. Acctg - PC Tulsian or Hanif
ITSM - Inst. Module
Audit - Inst. Module
For all theory parts of above subjects, I advise you to cover the theory contents given in Inst. module either from module itself or from above books. In addition, one must refer d suggested answer of previous papers and RTP, MTPs etc contained in ICAI website for download. All the best.