Urgent help please

Respected all CCI Members,

Iam ca final student new schme and i have appering nov 18 exam and iam prepering self for exam my query is i decided to use icai study material for IDT subject and i planing to download book from icai website but somehow iam tensed that this book given in icai website  are updated or not .

     if anyone know can online ICAI study material are updated as per nov 18 exam requirement