Follow few more guidelines -
AMA – Add K Hariharan Theory book or make your own notes for theory portion. (Practice lots of numerical questions , clear all doubts create master steps to solve question to save time in exam.. Examination paper will be very lengthy.. have good command on OR and Theory portion it will also save your time). J B Gupta for AMA is also good it is written in a simple language, dont buy it if you are comfortable with paduka. If you will face any difficulty in this paper then solve all practical question given in SM + PM + Compiler + RTP (Compiler and RTP is covered in Padhuka)
DT – Vinod Gupta + Durgesh singh Summary book. You can also add summary module of vinod gupta for fast revision or prepare your self notes for difficult portion for exam time revision.
ISCA – Manish Valechha is the best seller of ISCA. All study tips are given in the Valechha’s book. It has some kind of memory tricks. Never ignore this this subject and this book, this will be a game changer. Unlike other subjects, all question of isca paper will be from the book. revision is a must for accuracy and good presentation.
IDT - Bangur or Vineet Sodhani