Confused what to do?

i am a student of ca ipcc i fill the form for both groups of ca ipcc for may 2014 exams but i am very much worried about what to do ? to prepare for preparation for 1st group only or for both groups i am facing too much problems in two subject first is cost accounting of ca ipcc group 1 and second is strategic management of second group and i dont know to what to do for these part subjects cost accounting and for strategic management .which book to prepare for it from which book i need to study and what to for acheiving success in these two part subjects .plz suggest me brother and sister about what to do or not ?and i had already given three attempts of ca ipcc group 1 and i dont know what to do or what not to do ?