help regarding books for cost and tax pcc

Purnima Singh (Student) (41 Points)

07 September 2009  

i am gng to appear for the pcc exams (group 2) for the 2nd tym i want to knw whether i shud study the same books of tax and costing or shud i go fr new ones?

i studied from ajay jain for tax and gautam sethi for cost in my june attempt......

plz help thanx in advance....