Aspirants can refine their vocabulary and language skills for UPSC through dedicated practice and active reading. Engaging with diverse materials, such as books, academic journals, and quality newspapers, helps expose candidates to varied vocabulary and styles. Regularly maintaining a personal dictionary of new words and committing to learn their meanings and usages is beneficial. Additionally, practicing essay writing and participating in mock interviews can improve both verbal and written fluency. Enrolling in language enhancement courses can also offer structured guidance and foster continuous improvement in language proficiency.