KJ Somaiya is autonomous. So the exams, i.e. test 1, test 2, and semesters will be carried out on AutoCad. Make sure you install Auto Cad on your desktop and start practicing immediately. This will help you get acquainted and speed up with the commands. Speed is important in examinations.
You will just need a compass, tractor, scale of the roller, and 0,5 mm pencil because the assignments are paper-based. Also during lectures, you should keep a roller scale and geometric compass.
For reference, you can read N.H Dubey or N.D Bhatt. N.D Bhatt is considered as the Bibel for Engineering Drawing and most faculties will recommend you to follow this book.