Is Indian Polity by M. Laxmikant sufficient for both UPSC Prelims and Mains?

M. Laxmikanth’s Indian Polity is the undisputed "bible" for the UPSC Prelims, but it shouldn't be your only resource for the Mains.

• For the Prelims, it is nearly 100% sufficient for static questions. Its factual layout, comparison tables, and article-wise breakdowns align perfectly with the objective nature of the exam.
  However, for the Mains (GS Paper II), it serves only as a foundational skeleton. While it helps you define constitutional terms and cite articles, it lacks the analytical depth required for descriptive answers.
• The Mains exam demands a critical understanding of "why" and "how," alongside coverage of dynamic areas like Governance and Social Justice, which the book does not fully address. To bridge this gap, you must supplement your reading. For a strong conceptual foundation, start with the Class 11 NCERT: Indian Constitution at Work. If you need deeper legal or philosophical analysis of the Constitution, D.D. Basu’s Introduction to the Constitution of India is the standard advanced text.
• For dynamic current affairs, including recent Supreme Court judgments and new legislation, you should rely on VisionIAS PT 365 or Mains 365 booklets. Finally, to cover the Governance portion of the GS2 syllabus—which includes e-governance and accountability—refer to M. Karthikeyan’s Governance in India. Using Laxmikanth for facts and these resources for analysis ensures a comprehensive preparation strategy.