Best practices for conducting self-assessment in UPSC preparation involve setting clear goals and regularly reviewing progress. Candidates should create a study plan that outlines topics and resources, allowing them to track completion. Engaging in practice tests can provide vital feedback on strengths and weaknesses, enabling focused improvement. Additionally, seeking feedback from peers or mentors can offer fresh perspectives. Reflective practices, such as journaling, help candidates analyze their learning patterns and emotional responses, ensuring a holistic approach to self-assessment and continuous growth throughout their preparation.