To stay calm during the UPSC exam, candidates should adopt strategies such as practicing mindfulness, maintaining a healthy study routine, and conducting simulated exams. Regular physical exercises and maintaining a balanced diet contribute to overall well-being, which aids in managing stress. Deep-breathing exercises and positive visualization techniques can also help keep anxiety at bay during the exam. Additionally, preparing thoroughly reduces last-minute panic, instilling confidence in candidates. Establishing a positive mindset fosters resilience, ensuring better performance on exam day.