Understanding constitutional law is crucial for UPSC aspirants as it forms the backbone of India's legal and governance framework. Knowledge of the Constitution aids in comprehending the functions of various government institutions and their interrelationships. It also helps in answering questions related to fundamental rights, duties, and directives, which are often pivotal in both the preliminary and mains examinations. Furthermore, constitutional law influences current political scenarios in India. A firm grasp of these concepts equips candidates for the interview round, demonstrating their analytical ability and awareness of socio-political issues.