For Accounts : M.P.Vijay kumar or Shukla & Agrawal along with Module And Compilation and for AS part go for D.S. Rawat For Audit: Prakhar Sharma/Paduka/ V.K Agrawal Note: (MP Vijay Kumar can be used for AS reference For Corp Law; Munish Bhandari For Mafa: Module and Notes of Tarun Mahajan. You may also refer A.N Sridhar. For Direct Taxes TN Manoharan (Theory part), Circular, Notification, Amendments, case law For IDT: Vandana Bangur For MICS: Module For Costing: Saxena and vashist or Ravi M Kishore with module
Also refer Scanners and Suggested Answer issued by ICAI for previous year exams and revised them properly.