Essential skills acquired for effective participation in the UPSC interview include strong communication abilities and the capacity for critical thinking. Candidates must articulate their viewpoints clearly and respond to questions with logical reasoning. Developing knowledge across a broad range of subjects is vital, encompassing current affairs and core syllabus topics. Building confidence through mock interviews can aid performance. Furthermore, aspirants should practice active listening and stay composed under pressure. Emphasizing qualities such as empathy and ethical reasoning can impress interviewers. Ultimately, a well-rounded preparation approach enhances interview effectiveness.