Understanding administrative structures benefits UPSC candidates by providing insight into the functioning of government and its mechanisms. Familiarity with bureaucratic processes is essential for effective governance and policy implementation. Knowledge of administrative hierarchies allows candidates to appreciate the complexities of decision-making and resource allocation. Additionally, understanding how different levels of government interact equips aspirants to propose effective solutions to administrative hurdles. This knowledge is vital not only for the examinations but also in preparing candidates for the practicalities of civil service roles.