Yes, there are several techniques you can use to improve your time management skills using previous years' papers for Commerce. Here are a few:

1. Set a time limit: Before attempting a previous year's paper, set a time limit for completing it. This will help you practice working within a specific timeframe and improve your speed.

2. Prioritize topics: Identify the most important topics or sections in the Commerce papers and focus on them first. This will ensure that you allocate your time efficiently and spend more time on areas that carry more weightage.

3. Practice under exam-like conditions: Try to simulate exam-like conditions while attempting previous years' papers. Sit in a quiet room, set a timer, and eliminate distractions. This will help you get accustomed to the pressure and time constraints of an actual exam.

4. Analyze your performance: After completing a previous year's paper, analyze your performance. Identify areas where you took longer than expected or made mistakes due to time pressure. Use this analysis to adjust your approach and improve your efficiency in subsequent practice sessions.

5. Time yourself for each question: Time yourself for each question or section within the paper. This will help you understand how much time you should ideally allocate to each question and will allow you to manage your time more effectively.

6. Practice with a timer: Use a timer while practicing previous years' papers. Start the timer when you begin a question or section, and try to complete it within the allocated time. This will train you to work efficiently and avoid spending excessive time on any particular question.

7. Take breaks: It is essential to take short breaks during your practice sessions to avoid burnout. Allocate specific time intervals for breaks, and make sure to stick to them. This will help you maintain focus and productivity throughout your study session.

Remember, consistent practice is key to improving your time management skills. Gradually implementing these techniques will help you become more efficient and perform better in Commerce exams.