Lessons learned from successful UPSC candidates include the necessity of time management and effective study techniques, such as utilizing a structured study plan and consistent revision strategies. Many highlight the importance of staying updated with current affairs and understanding the exam pattern. Additionally, successful aspirants emphasize the value of mock interviews and peer discussions for polishing presentation and communication skills. Cultivating a resilient mindset and stress management techniques are also frequently endorsed, as they play a critical role during preparation and the examination process.