Aspirants can ensure coherence in their writing during UPSC preparation by adhering to structured frameworks when drafting essays and answers. Organizing thoughts logically into introduction, body, and conclusion sections aids in presenting arguments clearly. Using topic sentences at the beginning of each paragraph keeps writing focused, ensuring each section transitions smoothly into the next. Furthermore, consistent practice through writing prompts, and peer reviews helps refine their writing style. Incorporating key terms effectively will strengthen arguments and enhance clarity, making their responses well-rounded and impactful.