Resources to improve analytical writing for UPSC exams include various online platforms, books, and workshops focused on effective writing techniques. Candidates can benefit from resources like editorial articles, current affairs magazines, and academic journals, which help in understanding diverse viewpoints. Joining essay writing courses or participating in mock interviews can provide hands-on experience and valuable feedback. Regular practice with peer reviews and analyzing well-structured essays enhances clarity and argumentation skills. Engaging with mentors who specialize in writing can further refine writing styles tailored to UPSC requirements.