Self-discipline is a fundamental trait for success in UPSC examinations, as it helps candidates adhere to a structured study schedule. This characteristic fosters consistency, allowing aspirants to manage their time efficiently and balance multiple subjects effectively. With self-discipline, candidates are more likely to resist distractions, allocate time for revision, and practice answer writing regularly. Moreover, it cultivates a growth mindset, enabling aspirants to stay motivated and resilient in the face of challenges, which is essential for long-term preparation.