Crucial elements for writing a standout essay in Mains include a clear thesis, structured arguments, and coherent examples. Start with a strong introduction that presents your viewpoint. Use well-organized paragraphs with topic sentences that guide the reader through your arguments. Incorporating real-world examples and current affairs demonstrates comprehensive awareness. Effective transitions between paragraphs ensure a smooth flow, while a concise conclusion reinforces your main points. Additionally, maintaining a formal tone and precise language reflects professionalism. Practicing diverse topics and receiving feedback will further refine your essay-writing skills.