Introduction:
Preparing for the UPSC exam requires a comprehensive approach that includes revising previously studied subjects while simultaneously preparing for new ones. Balancing revision with other subjects can be challenging, but with proper planning and time management, it can be accomplished effectively.

1. Create a Study Schedule:
- Allocate specific time slots for revision and stick to the schedule.
- Prioritize subjects based on their weightage and difficulty level.
- Divide your day into smaller study sessions, allowing for breaks in between.

2. Use Effective Study Techniques:
- Make concise notes during your initial study sessions.
- Use mnemonic devices, flashcards, or mind maps to aid in revision.
- Practice solving previous year question papers and mock tests regularly.

3. Utilize Micro-revision:
- Dedicate a few minutes every day to revise previously studied topics.
- Focus on key concepts, formulas, and important facts.
- Use EduRev's UPSC study material for quick and efficient revision.

4. Follow a Rotational Approach:
- Instead of revising all subjects at once, rotate between different subjects.
- This approach helps prevent burnout and keeps your mind fresh.
- Spend more time revising subjects that require extra attention.

5. Set Realistic Goals:
- Break down your revision into smaller goals to make it more manageable.
- Aim to revise a certain number of topics or chapters each day.
- Celebrate your achievements when you meet your goals.

6. Stay Consistent:
- Consistency is key to effective revision.
- Avoid procrastination and make revision a daily habit.
- Set aside specific time slots for revision and avoid distractions.

7. Seek Help and Clarification:
- If you encounter any doubts or difficulties during revision, seek help from teachers, mentors, or online platforms like EduRev's UPSC Doubts and Solutions section.
- Clarify any concepts or topics that you find challenging.

8. Maintain a Healthy Lifestyle:
- Ensure you get enough sleep, exercise, and eat a balanced diet.
- Taking care of your physical and mental well-being is crucial for effective revision.

Conclusion:
Balancing revision with other UPSC preparation subjects requires proper planning, effective study techniques, and consistency. By following a study schedule, utilizing micro-revision, and setting realistic goals, you can effectively manage your time and ensure thorough preparation for the UPSC exam. Remember to seek help when needed and maintain a healthy lifestyle to optimize your study efforts.