Several factors determine the success rate of aspirants in the UPSC examination. These include the quality of study material, understanding of the exam pattern, time management skills, and consistency in preparation. Additionally, candidates' ability to adapt their preparation strategies based on previous performance and feedback plays a crucial role. Mental resilience and maintaining motivation, along with a supportive environment, also significantly impact a candidate's effectiveness. Overall, a blend of good study habits, thorough knowledge, and psychological readiness contributes to operational success in this challenging exam.