To master the geography syllabus in UPSC, candidates should adhere to a few critical strategies. First, create a structured study plan, breaking down the syllabus into manageable topics. Rely on NCERT textbooks for foundational knowledge, and supplement with advanced resources like reference books and data from reputable websites. Regularly practice maps, diagrams, and case studies to reinforce learning. Additionally, staying updated with current affairs related to geography, including environmental issues, can enhance understanding. Lastly, consistent revision and participating in discussions can solidify knowledge and boost confidence for the examination.