Recommended books for understanding Indian Polity for UPSC include "Indian Polity" by M. Laxmikanth, which comprehensively covers the intricacies of the Constitution and political system. "Introduction to the Constitution of India" by D. D. Basu is another excellent choice, providing detailed insights into constitutional provisions. "Constitution of India" by G. Essays & Articles offers a collection of articles that clarify various components of Indian polity. These books serve as essential resources for mastering the subject’s nuances necessary for UPSC success.