Aspirants can enhance their public speaking skills through debates by participating in discussions on diverse topics related to the UPSC syllabus. Engaging in structured debates helps develop the ability to articulate ideas clearly and confidently. Regular practice improves critical thinking and builds adaptability to counter various arguments. Joining public speaking clubs or participating in workshops can also provide constructive feedback. Ultimately, these experiences refine presentation skills essential for interviews and writing compelling answers during the UPSC exam, cultivating a poised public persona.