Techniques to promote critical reading of diverse viewpoints in UPSC preparation include engaging with a wide range of literature, participating in debates, and using analytical skills to evaluate arguments. Reviewing various sources, including editorials and academic papers, exposes candidates to different perspectives. Participation in discussions and debates fosters critical evaluation of opposing viewpoints, enhancing reasoning skills. Furthermore, applying techniques like summarization and questioning helps in understanding complex arguments. This comprehensive approach encourages aspirants to develop well-informed and balanced viewpoints essential for essay writing and interviews.