Practice with essay writing can significantly impact performance in the UPSC Mains by enhancing clarity of thought and articulation skills. Writing essays regularly helps aspirants organize their ideas coherently and develop arguments effectively, which are crucial for the Mains' written exams. It also aids in improving time management skills, necessary for completing papers within stipulated time frames. Feedback from peers or mentors on essay drafts can provide valuable insights, allowing candidates to refine their writing styles and focus on the presentation of their arguments, thereby boosting their overall examination performance.