Aspirants can enhance their communication skills through techniques like active listening, public speaking workshops, and peer feedback to tackle complex issues at the UPSC interview. Practicing articulating thoughts clearly and confidently is essential, as interviews often assess both knowledge and presentation abilities. Engaging in group discussions and debates can help candidates learn to frame arguments succinctly. Additionally, mastering the art of simplifying complex topics for diverse audiences contributes to effective communication. These skills not only improve interview performance but also prepare candidates for future roles in public service.