Aspirants can develop resilience during their UPSC preparation by adopting a few effective strategies. First, setting realistic goals helps in maintaining motivation, as achieving smaller targets fosters a sense of accomplishment. Second, establishing a support network of peers and mentors can provide emotional and academic backup during tough times. Third, practicing mindfulness techniques like meditation enhances mental stability, enabling candidates to manage stress better. Lastly, embracing failures as learning opportunities allows candidates to bounce back more effectively, fostering a resilient mindset vital for the UPSC journey.