Story mapping can be leveraged for essay writing in UPSC by organizing ideas in a coherent structure. This technique allows aspirants to identify key themes, sub-themes, and supporting details before drafting. Using a visual format to outline the introduction, main points, and conclusion helps maintain a logical flow. Candidates can create a narrative arc that captures the reader's attention, facilitating the incorporation of relevant examples and case studies. This preparatory method enhances clarity in thought and aids in constructing compelling, well-rounded essays.