Aspirants can identify their strengths and weaknesses during UPSC preparation through self-assessment and practice tests. Regularly evaluating performance in mock exams and subject-specific quizzes helps highlight areas needing improvement. Additionally, reflecting on study sessions can reveal topics that pose challenges or invoke confidence. Seeking feedback from mentors or peers can provide constructive criticism and additional perspectives. By tracking progress and engaging in continuous refinement of study methods, candidates can strategically improve their overall performance.