The significance of writing practice in the UPSC Mains exam cannot be overstated. It helps candidates develop their writing skills, critical for articulating complex ideas clearly and concisely. Regular practice allows aspirants to manage their time effectively, ensuring they can complete the exam within the allotted time. Writing also aids in organizing thoughts, leading to structured and coherent responses that are essential for scoring higher marks. Feedback from peers or mentors on written answers can identify areas for improvement. Ultimately, consistent writing practice builds confidence and hones the analytical skills vital for success in the Mains examination.