To improve essay writing skills for UPSC exams, candidates can follow several strategies. Regular practice is fundamental; writing essays on various topics promotes fluency and coherence. Analyzing previous successful essays helps understand structure and argumentation. Organizing thoughts through outlines ensures clarity. Seeking feedback from peers or mentors is crucial for identifying weaknesses. Additionally, reading quality articles and essays enhances vocabulary and writing style, while self-review aids in refining techniques, ultimately resulting in more polished essays.