Candidates can cultivate emotional intelligence during UPSC preparation by engaging in self-reflection and mindfulness practices. Self-awareness allows them to recognize their emotions and how these influence their study habits and stress levels. Techniques like journaling can help in processing thoughts and feelings. Developing interpersonal skills through discussions with peers and mentors can enhance empathy and communication, critical for future civil service roles. Additionally, practicing stress management techniques can ensure candidates remain resilient and adaptable throughout the rigorous preparation journey.