Answer writing practice in UPSC preparation is crucial, as it helps candidates articulate their thoughts clearly and coherently. Writing answers helps in organizing information efficiently and improves writing skills. It enables students to develop a structured approach, ensuring they address all aspects of a question. Regular practice hones time management skills, which is essential during the actual examination. Additionally, feedback from peers or mentors on answer writing can identify improvement areas, leading to enhanced performance. Ultimately, consistent practice builds confidence and prepares candidates for the demands of the Mains exam.