Key skills sought by UPSC in candidates during the personality test include communication, empathy, and leadership. Candidates must demonstrate clarity of thought and the ability to express themselves effectively. The panel assesses how well candidates engage with current issues and their awareness of socio-political challenges. Interpersonal skills are crucial, as candidates are expected to showcase their teamwork and problem-solving capabilities. Additionally, showing a commitment to ethical standards and public service is essential for them to excel in the evaluation.