Do not start your polity preparation directly with Laxmikanth. The book can be overwhelming for a beginner. Instead, begin with the NCERT Class XI textbook, "Indian Constitution at Work" . This will help you build a strong conceptual foundation and introduce you to the basic framework before you dive into the more detailed Laxmikanth.
Owning the book is just the first step. Here's a proven strategy to make the most of it: Do not start your polity preparation directly with