A good understanding of Indian polity is crucial for the UPSC exam as it forms a significant part of both the Preliminary and Mains examinations. Knowledge of the Constitution, political structures, and electoral processes enables candidates to answer questions accurately and comprehensively. This understanding also aids in connecting various subjects, such as governance and current affairs. Moreover, a strong grasp of polity helps candidates during the interview stage, allowing them to articulate informed perspectives on relevant political issues.