1. AMA - ICAI Material
2. ISCA - ICAI Material is priority (make your own short notes), but if not possible, you can refer notes of Swapnil Patni Sir or Amit Tated Sir
3. DT - a. Bhawar Borana Sir's Compact and Question Bank, or
b. Vinod Gupta Sir's books (alongwith ICAI material questions)
4. IDT - Dr. Yogendra Bangar Sir or Yashvant Mangal Sir
Alongwith above, Past exam papers, last 3-4 attempt RTPs and Mock Test papers