Candidates can effectively use mind maps for UPSC preparation as a visual tool to organize thoughts and information. This technique involves creating a diagram that connects main ideas with subtopics, enhancing both understanding and retention. By visually mapping out subjects, aspirants can quickly identify relationships between concepts and streamline their revision process. Mind maps also facilitate active engagement in learning, making the study sessions more productive and enjoyable. Regularly updating these maps with new information can aid in reinforcing memory and building a comprehensive overview of the UPSC syllabus.