The book tracks how the Constitution has changed through landmark amendments. Key Features of the Book
However, I can suggest legal ways to access the book:
Many toppers of the UPSC Civil Services Examination recommend this book for the polity section.
A: No. The book is under copyright. No legal free PDF exists. However, many libraries offer digital borrowing if you are a member.
Kashyap famously explores the tension between justiciable rights (Part III) and non-justiciable directives (Part IV). He discusses the Minerva Mills case (1980), which held that the balance between them is part of the Constitution’s basic structure.