Classe of IDT

definitely possible, 

IDT- VS Datey or Vishwanathan Nagarajan- go through the book and chose

MICS- study material plus compiler plus RTP of all previous attempts

Keep track of your friend who are taking tuitions 

read amendments and case laws

IDT- Yogandra Bangur , Vandana Bangur & Vinod Sodhani 

MICS- study material + compiler + Practice Mannual +  RTPs 

for indirect tax bangar's book is best+read amendments+new case laws