Candidates can develop a unique approach to answering UPSC essay questions by incorporating personal insights and experiences. Structuring essays logically with clear thesis statements is essential, along with well-defined arguments supported by facts. To stand out, candidates should integrate current affairs and real-life examples, demonstrating relevance and depth of understanding. Additionally, embracing a writing style that reflects their personality can make the essays more engaging. Practicing various themes and receiving constructive feedback also aids in refining this unique approach.