For an effective study plan for UPSC aspirants, it's important to adopt methods such as creating a structured timetable that allows for comprehensive coverage of the syllabus. Regular revisions, utilizing mind maps, and practicing mock tests can significantly enhance retention and understanding. Additionally, aspirants should set realistic goals and break down topics into manageable segments. Engaging in group studies can facilitate discussions that deepen understanding, while maintaining balance and including time for self-care is essential to sustain motivation throughout the preparation journey.