A/c and cost + FM  - PC tulsian

Tax - TN Manoharan

Law - Padhuka 

I am studying from following books

Accounts - P.C.Tulsian only Scanner Part and Praveen Sharma Sir Book

Tax - T.N.Manoharan and V.K.Singhania

Law - Munish Bhandhari

Cost and FM - Only Ashish Kalra Sir Book

and also Study Material from ICAI

Study Material and Practice manual

Accounts and costing - P.C.Tulsian

Tax - V.K.Singhania

Law - Munish Bhandhari

In fm P.C.Tulsian is available right now…but I didn’t know that, so I had referred Rajesh Makkar’s notes.

study material, practice manuals and rtp is of gr8 help..........but  you can also take help of solved scanner

Accounts - P.C.Tulsian

Cost & F.M - Paduka's Or P.C.Tulsian

Tax - T.N.Manoharan

Along with PRACTICE MANNUAL's  & SCANNER.......

ALL THE VERY BEST.......!!!

suchitra prakashan scanner

In my humble opinion, we need to refer books only for Taxation [The reason being that the text book is very big and it can be boring at times]         T.N.Manoharan book is the best

For all other subjects, study material and practice manual is enough.