Best practices for maintaining a study schedule for UPSC preparation include setting clear, measurable goals and breaking down the syllabus into manageable segments. Establishing a daily routine that allocates specific time slots for different subjects can help maintain consistency. Utilizing a study planner or digital tools can enhance accountability and track progress. Regularly revising previously studied material ensures retention and understanding. Incorporating short breaks mitigates fatigue and maintains focus. Lastly, it's essential to adapt the schedule based on personal well-being and cognitive peaks, adjusting the intensity of study sessions as needed.