Aspirants can leverage public speaking practices to enhance their preparation for UPSC interviews significantly. Engaging in mock interviews and participating in group discussions can build confidence and improve articulation. Practicing speech delivery, tone modulation, and body language in front of peers helps refine communication skills essential for interviews. Regularly discussing current affairs and topics related to civil services trains candidates to express their thoughts clearly and convincingly. This preparation approach fosters adaptability and poise, aiding in the overall performance during the actual interview process.