Ipcc tax

I m going to give my ipcc in may 13, i have T.N.Manoharan for tax as per nov12 exam, can i use it for direct tax along with supplementary study material for may 13? & i bought new practice manual for direct as well as indirect tax & study material of icai for indirect tax (just for reference). But i dint start studing them, is there any good book for indirect tax alone that i can use to do indirect tax in short time & also score well as my direct tax is not so good. Pls help...... Thank you...... I m waiting for many suggestions.....pls.