For Law. ICAI Material & Practice Manual is Enough to Pass. No need to Refer any other Books or any classes Notes. At the most if you want you may go in for GKKapoor Text Book.
For Accounts ( Both I & II ) Just Take the Book of P C Tulsian ( Its in 2 Volumes ) Do only that book very sincerely & be sure to get 60 - 70 marks.
For Accounting Standards get the Book of Dr Sanjeev Singal & you will be very happy
Costing & FM : Costing again go for Dr P C Tulsiyan
FM Go for Saxena & Vashist
TAX : T N Manoharan