Diverse ideation can enhance effective essay writing in UPSC by promoting creative thinking and allowing candidates to approach topics from multiple perspectives. Brainstorming sessions can generate a wider range of ideas, leading to more comprehensive arguments. Employing techniques like mind mapping aids in organizing thoughts and connecting ideas logically. Engaging with others’ opinions encourages critical analysis and exposes candidates to different viewpoints. Moreover, diverse ideation enriches the narrative style, making essays more engaging, which is crucial for capturing the examiner's interest.