Successfully balancing physical and mental well-being during UPSC preparation involves incorporating regular exercise, mindfulness, and breaks into study routines. Physical activity helps reduce stress, improves focus, and boosts overall energy levels, essential for effective studying. Mental well-being can be supported through practices like meditation and maintaining a positive mindset. Setting realistic goals and allowing time for relaxation are crucial in preventing burnout. Additionally, engaging in hobbies or social activities can provide much-needed breaks, creating a well-rounded approach to preparation that sustains motivation and health.