Aspirants should prioritize their study topics based on the UPSC syllabus by first understanding the weightage and relevance of each subject. A strategic approach involves dividing the syllabus into core subjects and supporting topics. They should focus on conceptual clarity and build a solid foundation for challenging areas. It is also essential to regularly review previous year papers to identify frequently asked topics and to allocate time accordingly. Creating a detailed study plan and regularly updating it based on progress ensures that aspirants stay aligned with their goals and prepared for the exam.