Participating in mock interviews is invaluable for UPSC aspirants as it simulates the actual interview experience. This practice helps candidates develop confidence, improve communication skills, and refine their ability to articulate thoughts clearly. Feedback from mentors or peers during these mock sessions is essential in identifying areas for improvement, such as body language or response coherence. They also familiarize candidates with frequently asked questions and help them navigate challenging scenarios. Engaging in mock interviews promotes self-reflection and enhances readiness for the high-stakes environment of the actual UPSC interview, ultimately contributing to a stronger performance.