You may go for the following options regarding reference books for IPCC:
1. Accounts: Shukla & Grawal 2. Auditing: V K Agarwal or Padhuka 3. Law: Munish Bhandari or M P Vijay Kumar 4. Ethics & Communications: M P Vijay Kumar or Padhuka 5. Costing: S.N. Maheshwari & Padhuka 6. F.M.: Saxena and Vashisth and Padhuka 7. Taxation: For Tax Theory: T N Manmohan /Girish Ahuja For Numerical: Dr. Vinod Singhania 8. Information Technology: Padhuka and Dinesh Madan Notes 9. Strategic Management: Padhuka and ICAI Study Material
Also refer Scanner and suggested answer issued by ICAI for previous year exams.