Regarding ca final strategy

Priya (Student CA Final ) (26 Points)

15 August 2014  
hello frnds.i have got 60 in indirect taxes and nov 14 is my last attempt for this exemption.im not able to get more than 45 in costing and direct taxes and not able to cross the score of 35 in isca.the main reason I fail is isca and aggregate scores.please guide me what and how should I study so that I can crack my finals in this attempt.nov 14 would be my 6th attempt.i have cleared my grp1.pls help.