During the UPSC interview, expected competencies in communication include clarity, conciseness, and the ability to articulate thoughts coherently. Candidates should exhibit active listening skills and engage with the interview panel confidently. Demonstrating a good grasp of current affairs and articulating opinions with logical reasoning is critical. Additionally, effective non-verbal communication, including body language and eye contact, contributes positively to the overall impression. The ability to respond to unexpected questions with composure and insight reflects strong communication skills essential for a civil servant.