Techniques to improve the logical flow of ideas in essays for UPSC include structuring content with clear headings and logical transitions. Organizing thoughts into a coherent framework, such as introduction, body, and conclusion, enables candidates to present arguments systematically. Using transitional phrases and linking statements between paragraphs helps guide readers through the narrative seamlessly. Additionally, drafting outlines before writing can clarify the progression of ideas, ensuring a structured approach. Peer reviews and feedback also play a crucial role in identifying areas for improvement. Ultimately, these techniques enhance clarity and coherence, making essays more compelling and easier to understand for evaluators.