Study tips..

am an ipcc student..i am very much scared of law.. in my last attempt dec 12 i got exemptn in accnt..n was passed in grp total but failed in law.. this tym again in may 13 law spoiled it..and i couldnt make it. this time i really want to clear in nov 13. am working hard for cost and tax..but inspite of hard work in law i hv not been able to be through...moreover the weightage of case studies hv also increasd ovr time.. how can i improve it..pls help