The benefits of cross-referencing study materials during UPSC preparation include gaining a multifaceted understanding of topics and ensuring comprehensive coverage of the syllabus. Diversifying sources allows candidates to compare perspectives and avoid biases inherent in singular narratives. Cross-referencing ensures that candidates are well-prepared for different levels of question difficulty. It also aids in connecting concepts across multiple subjects, contributing to deeper insights. By using various resources, aspirants can refine their answers, making them more credible and reflective of a broader knowledge base.