To enhance the quality of presentations during UPSC interviews, candidates should focus on clarity, structure, and engagement. Practicing mock interviews while presenting views concisely aids in effective communication. Using frameworks to organize thoughts improves the coherence of arguments. Candidates should also be prepared to back their statements with relevant data and examples, showcasing their understanding of the topic. Engaging body language and maintaining eye contact can help in establishing a rapport with interviewers. Lastly, practicing with peers helps to refine presentation skills and receive critical feedback, leading to confident and articulate responses.