Refrence book of direct tax n idt for cwa final.....

plz let me know the books for direct tax and indirect in cwa final........these both come in our one paper (paper 14) and they dont ask question so deeply........i'm good at indirect tax....but i fear alot in direct tax.......is thr any book for DT in cwa final????......plz help me....i scored 58 in this june 11 in this subject.........i left alot in DT even read amendments in last time......so only 2 marks se rah gayi due to not reading amendment............is thr chances of increase in rechecking????