Essay writing in the UPSC Mains exam is of paramount importance, as it assesses not only the aspirant's writing skills but also their ability to think critically and articulate thoughts effectively. Essays provide a platform for candidates to showcase their understanding of complex issues and present well-reasoned arguments. Good essays reflect a comprehensive grasp of relevant topics and the ability to draw connections between different ideas. Furthermore, being articulate in writing enhances the overall impression on evaluators, potentially influencing the overall score. As such, honing essay-writing skills is essential for success in the Mains examination.