The optimal way to review a written answer post-UPSC examination involves a structured approach. First, candidates should assess their answers against the exam criteria, focusing on content accuracy and alignment with the question. Analyzing time management during the exam can highlight areas needing improvement. Seeking feedback from peers or mentors can provide external perspectives. Furthermore, identifying recurring mistakes is essential for targeted correction in future attempts. Overall, self-reflection, comparative analysis, and feedback loops are crucial in refining writing skills and enhancing performance in subsequent attempts.