Books for final

Financial Reporting – P C Tulsian (BEST) 

AS - Sanjeev Singhal (BEST) / P C Tulsian

SFM - J B Gupta book with DVD Lactures (BEST)  . .

Audit - Padhuka (BEST) for important and practical topics (For other portion surbhi bansal) .

Law - Munish Bhandari Handbook (Plus Padhuka for detailed study, if you have sufficient time).

AMA / Costing - Padhuka (or PC Tulsian (BEST) if you need detailed book) plus Study Material and Practice Manual (It is better prepare your own notes for theory portion).

ISCA - Manish Valechha ISCA Book (Memory Based Edition) (BEST)  plus Practice Manual (The best book ever released for this subject, The book is quite self-explainatory.. it explaines all topics with examples, diagrams, memory codes....) refer Study Material if you have sufficient time but not actually reuired. Use with practice manual only. 

Direct Taxes - T.N. Manoharan Plus Summary Module of Vinod Gupta (Prepare notes for lengthy and typical portion, if possible).  or T G Suresh (BEST)  very concise book for exam it can be completed easily.

Indirect Taxes - Rafi for Concepts (BEST) (Padhuka or Banger for detailed Study and past exam questions)