Physical fitness contributes significantly to a candidate's performance in UPSC by enhancing overall well-being and cognitive function. Regular exercise improves concentration and reduces stress, which is vital during rigorous preparation. Physical health also boosts stamina, allowing candidates to endure long study sessions and exam durations. Moreover, a fit body fosters mental resilience, crucial for handling the pressures of competition. Including a balanced diet and consistent physical activity in their routine enables aspirants to maintain the energy levels needed for effective preparation.