Aspirants can assess their readiness for UPSC interviews by engaging in mock interviews and seeking feedback from experienced mentors. Analyzing past interview questions and formulating thoughtful answers can help candidates gauge their preparedness. Self-reflection on strengths and weaknesses, along with practicing communication skills, is crucial. Additionally, maintaining awareness of current affairs and articulating personal viewpoints on trending societal issues can boost confidence. Keeping abreast of UPSC interview trends helps aspirants adapt their preparation strategies effectively.