Strategic approaches to mastering subject integration in UPSC preparation include ensuring coherence between different subjects and topics. Creating a syllabus map, highlighting overlapping themes, allows candidates to connect concepts across disciplines, improving retention. Utilizing a mixed study technique, combining subjects in a single study session, fosters a comprehensive understanding. Incorporating current affairs related to multiple subjects during revision also enhances integration. Lastly, practicing interdisciplinary questions during mock tests helps simulate exam conditions and promotes a holistic viewpoint, ensuring that candidates are well-equipped to handle integrated questions in the UPSC examination.