Knowledge of different governance models assists in holistic UPSC preparation by enabling aspirants to compare and critically assess policy frameworks. Familiarity with models like democracy, authoritarianism, and federalism empowers candidates to understand their implications on administration and citizen engagement. This understanding is essential for effectively tackling questions related to governance, public administration, and social justice. Moreover, these insights aid in evaluating case studies and current affairs articles, allowing aspirants to form nuanced opinions. Thus, a solid grasp of governance models enhances both exam performance and interview readiness.