The interview round in the overall UPSC Civil Services Examination constitutes about 275 marks, contributing approximately 15% of the total score. This round assesses candidates' personality traits, communication skills, and overall suitability for a role in the civil services. While the written examination focuses on knowledge and analytical capabilities, the interview evaluates candidates' interpersonal skills and ability to handle pressure. A strong performance in the interview can significantly influence a candidate's final ranking, underscoring its importance in the selection process.