The importance of essay writing for the UPSC Mains exam cannot be overstated. Essays provide candidates with an opportunity to demonstrate their ability to articulate thoughts, analyze issues, and present coherent arguments on various topics. They reflect a candidate’s understanding of critical social, economic, and political themes, evaluating their writing skills and logical reasoning. Good essay writing can enhance a candidate's overall score, making it crucial to practice regularly and improve clarity, structure, and depth of ideas. Furthermore, well-composed essays can leave a lasting impression on the examiners.