Writing skills are crucial for the UPSC mains examination. Clear and precise articulation of thoughts in the answer sheet significantly impacts scoring. Strong writing skills enable candidates to structure their answers logically, making it easier for evaluators to follow their arguments. Candidates should practice writing regularly, focusing on clarity, conciseness, and coherence. Using examples and data to support arguments further enhances the quality of responses. Overall, refined writing skills are essential for effective communication in exam context.