Effective revision strategies for the UPSC syllabus include using mnemonics, flashcards, and group discussions. Mnemonics help in remembering complex information, while flashcards facilitate quick recall of key concepts. Regular self-assessment through mock tests can consolidation of knowledge, revealing strengths and areas needing improvement. Additionally, organizing study sessions into manageable chunks prevents burnout and enables consistent progress. Combining these techniques with a well-structured timetable ensures comprehensive coverage of the syllabus, ultimately leading to improved retention and performance in the examination.