DT & IDT FOR SELF STUDY YOU WILL DEFINITELY NOT FIND THE BEST BOOK LIKE ICAI NEWLY RELEASED STUDY MATERIAL FOR MAY 20 NOV 20 ATTEMPT... IT'S JUST AWESOME BOOK.. COMPREHENSIVE, STRUCTURED & OVERALL JUST TOO GOOD FOR SELF STUDY.. BUT YOU NEED TO INVEST ATLEAST 2 MONTHS TIME DAILY 2-3 HOURS EACH FOR DT N IDT STUDYING THIS STUDY MATERIAL OF ICAI...
IN BETWEEN YOU Can refer vishal BHATTAD sir for IDT & BHANWAR BORANA SIR FOR DT youtube channel.. They will be regularly uploading revision lectures... If you can do this.. You will surely succeed.. If not more u will be easily able to score 50 each in DT & IDT each.. More than that depends upon your level of hardwork & in depth conceptual knowledge of DT & IDT provisons..
For DT - bhanwar borana sir's book is good...you can also refer to his revision lectures on YouTube You can also refer CA Arish Khan revision lecture on YouTube. For IDT you can refer Vishal Bhattad sir chart revision on YouTube, download the notes for quick revision. ICAI study material is also best for DT and IDT for in-depth study.