Plz help its urgent

i am going to give my third attempt in ca ipc group1 in nov2014 i need ur help about which book should i prefer for selfstudy for cost and fm pc tuslian or ravi m kishore? and for taxation girish ahuja or ajay jain or tn manoharan? plz suggest me about which book should i purchased for taxation and for cost and fm ?for doing self study plz help