Recommended methods to cover science and technology topics for UPSC include a multi-faceted approach. Reading comprehensive books, like NCERTs, alongside current affairs magazines ensures a solid foundation and awareness of recent developments. Online courses and video lectures can provide clarity on complex topics. Regularly following government publications and websites keeps aspirants updated on policy changes and technological advancements. Engaging in discussions or study groups enhances understanding through varied perspectives. Practicing previous years' questions also helps in identifying frequently asked topics, guiding focused study. This systematic approach promotes a thorough grasp of science and technology.