When preparing for the essay paper in UPSC, candidates can adopt methodologies such as brainstorming ideas, creating outlines, and organizing content logically. Practice essays on diverse topics aids in articulating thoughts clearly. Time management strategies should be implemented to ensure completion within the allotted time. Utilizing relevant examples, quotes, and statistics enriches essays and makes them compelling. Regular feedback from mentors or peers can provide constructive criticism that further refines writing skills and enhances overall quality.