Teaching experience can be beneficial for UPSC preparation as it helps develop strong communication skills and a deep understanding of subject matter. By explaining concepts to others, aspirants reinforce their own knowledge and identify gaps in their understanding. Additionally, teaching requires organization and planning, skills that are essential for effective exam preparation. It also cultivates patience and emotional intelligence, which are crucial during the UPSC interview, known as the Personality Test. Overall, teaching can serve as an enriching experience that complements traditional study methods.