Chapters 8-10. If your exam is close, prioritize Z-Transform properties. They are mathematically identical to Laplace, just with different variables (s -> z).
No book is perfect. Here is a quick honest assessment for a student considering this text. Signals And Systems By Anand Kumar.pdf
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If you manage to get the Signals And Systems By Anand Kumar.pdf, the content is typically divided into two major parts, mirroring the classification of signals and systems themselves. Chapters 8-10
Best for: Exam-oriented learning, GATE/competitive exam prep, and clearing fundamental concepts with a focus on Indian university syllabi. No book is perfect