Understanding effective public policy is relevant while preparing for UPSC as it provides insights into how policies are crafted and their impact on society. Knowledge of public policy equips candidates to analyze government decisions critically and evaluate their effectiveness. This understanding allows aspirants to relate theoretical concepts to real-world scenarios, enabling them to frame better responses in the exam. Furthermore, appreciating frameworks like policy evaluation and service delivery enhances the ability to engage with governance issues effectively, a key component tested in the general studies and optional papers.