Direct Tax and ISCA

Can you all help me as to how to prepare for direct tax and isca,my ca final exam is due in may 2011.I completed studying direct tax from vinod gupta sir module but i think it is too lengthy so I am having problem to remember the sections and their contents,what to do in this situation.And friend I also need help me ISCA as I'm finding this subject difficult,please provide me as to how to study this subject so that I can easily revise it during the one day gap during exams and also from where to study this subject i.e study mat or dinesh madan or any other book. PLease help friend it's urgent as only few months are left for my exams