Go with Kamal GArg , he is the best faculty in ca final for audit... his book is also very good..... you can see HIS CLASS on professional ethics by opening an account here.... its free..........https://studentslms.icai.org/LMS/index.html
Thanks Varun and Hojefa...for the valuable inputs.
Guest
ya , agree wid hojefa............ institute has drastically improved its study material . its good....... but since mr. hitesh asked for reference book , i recommended kamal garg...:)