To improve writing skills, UPSC candidates can adopt approaches such as regularly practicing essay writing and response composition under timed conditions. Seeking feedback from mentors or peers helps refine their style and clarity. Reading quality literature and essays enhances vocabulary and grammatical understanding. Moreover, utilizing structured formats for answers, like introduction-body-conclusion, can improve coherence. Lastly, engaging in writing workshops or online courses focused on academic writing cultivates strong writing habits vital for exam preparation.