The significance of parliamentary procedures in the UPSC Civil Services Exam lies in their role in shaping India's governance. Knowledge of procedures such as legislation, budgeting, and question hour is vital for civil servants, ensuring they can operate within the framework of Indian democracy. Understanding these procedures helps candidates answer questions related to governance structures and enhances their ability to interact effectively within government bodies. A thorough grasp of these practices is critical for not only the exam but also practical governance.