Candidates should prepare for geographical and economic essays in UPSC by focusing on key themes and contemporary issues. Engaging in extensive reading from diverse sources such as textbooks, research papers, and current affairs helps build a strong foundation. Creating structured outlines for potential essays aids in organizing thoughts and ensuring coherent arguments. Practicing past papers allows candidates to familiarize themselves with typical question formats and develop effective writing styles. Integrating statistics and case studies enhances the credibility of arguments. Staying updated on both local and global geographical-economic issues can provide relevant and insightful content for essays.