Understanding the Constitution of India is deemed essential for UPSC aspirants because it forms the cornerstone of governance and law in the country. The Constitution outlines the fundamental framework for political, legal, and social aspects of Indian society. Knowledge of its provisions is critical for candidates as many questions in General Studies and the interview delve into topics of constitutional rights, duties, and governance frameworks. Familiarity with constitutional amendments, judicial interpretations, and landmark cases further enhances an aspirant's ability to critically analyze contemporary issues and contributes to informed decision-making in public service.