Preparing for the essay paper in the UPSC Mains requires a strategic approach. Candidates should begin by understanding the current issues and social topics, as essays often reflect contemporary debates. Regular practice of writing essays on varied subjects helps develop a structured thought process. Reading high-quality essays and critique can also enhance writing quality. Time management is crucial; practicing within the allotted time helps improve speed and efficiency. Moreover, focusing on clear introduction, coherent body paragraphs, and a strong conclusion can significantly affect the overall presentation. Lastly, feedback from peers or mentors can refine writing skills.