Help with Indirect tax Final Ca Nov 09

Mazhar Lokhandwala (CA Final Student) (45 Points)

12 September 2009  

 i have already finished one reading from Bangar for IDT. However i started early and studied from the 12 th edition which was applicable for June 09. should i buy the new edition for Nov 09 exam or study the old one wid ammendments and case laws from the Institute's supplementery book ??