Using an older edition requires caution due to changes in legislation and constitutional amendments:
: Covers the historical background (Evolution from British rule to the 1935 Act), the making of the Constitution by the Constituent Assembly, and salient features like the Preamble, Fundamental Rights (Articles 12-35), and Directive Principles (DPSPs). System of Government
4th Edition of M. Laxmikanth's Indian Polity is a foundational resource for UPSC and state PSC exams, covering the Indian political system through 71 chapters and 14 appendices. While later editions exist, the 4th edition remains widely used for its clear structural breakdown of the Constitution and governance. Google Books Core Content Pillars
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This is the most important block. Master these chapters first, as they form the bedrock of the entire subject and yield the maximum number of questions in Prelims. Vajirao & Reddy IAS Institute INDIAN POLITY - M. Laxmikanth - Google Books