Ipcc tax

I am having T.N.Manoharan tax as per nov 12 exam & i hav bought practice manual for Direct tax ( New) n will buy P.M. for indirect tax also, which one should i buy icai module for IDT or other writers book from market & which writer, to do IDT in short time. pls suggest as the sylabus has changed & i m appearing for 3rd time in may 13. Pls help