Understanding governance structures aids UPSC aspirants by providing insights into the functioning of the government and its various organs. This understanding is crucial for the polity section of the exam, enabling students to analyze policies and governance issues critically. Familiarity with concepts like federalism, separation of powers, and checks and balances empowers candidates to answer both objective and subjective questions effectively. Moreover, knowledge of these structures helps candidates connect theory with current affairs, facilitating informed discussions during interviews and enhancing overall performance.