Language and communication skills significantly impact success in the UPSC interview, as articulate expression of thoughts is crucial for effectively conveying one's ideas. Candidates must demonstrate clarity, coherence, and confidence while presenting responses to panel questions. Proficient language skills also help in understanding complex questions and connecting with the interviewers, enhancing rapport. Furthermore, the ability to communicate in multiple regional languages is an added advantage, showcasing cultural awareness and respect for India's linguistic diversity. Ultimately, effective communication contributes to a strong impression during the interview process, influencing the selection outcome.