Candidates can track their progress during UPSC preparation through various methods such as maintaining a progress journal or using digital tools for scheduling and reminders. Setting periodic goals and assessments enables candidates to evaluate their retention and comprehension levels. Engaging in practice tests and quizzes at regular intervals also helps in identifying strengths and weaknesses. Additionally, reflecting on daily accomplishments and challenges can provide insights, allowing for timely modifications in study strategies. Overall, a systematic approach to tracking progress promotes motivation and efficiency.