A clear understanding of the Indian Constitution is vital for UPSC preparation because it forms the foundation of Indian governance and law. Knowledge of constitutional provisions, fundamental rights, and duties is essential for answering questions effectively in both Prelims and Mains. Furthermore, understanding the Constitution aids in articulating arguments clearly during interviews, demonstrating the candidate's grasp of the legal framework that governs the country. It enables aspirants to engage thoughtfully in discussions on policy, governance, and fundamental issues affecting Indian society.