Effective skills for presentation in the Mains exam include structured thinking, clarity of expression, and logical arrangement of ideas. Candidates must present arguments in a coherent manner, ensuring that each part of the answer relates to the question posed. Utilizing bullet points, headings, or paragraphs can greatly enhance readability. Additionally, mastering the art of persuasion while maintaining a profound understanding of the topic allows candidates to connect with the examiner. Practicing this skill will lead to confident and impressive presentations during the examination.