Introduction:
Environmental pollution control is a crucial concept in the field of Civil Engineering. It involves the application of various techniques and strategies to reduce or eliminate pollution in the environment. To improve understanding of these concepts, there are several tips that can be followed.

1. Gain theoretical knowledge:
- Start by studying the fundamentals of environmental pollution control, including the sources, causes, and effects of pollution.
- Understand the different types of pollutants, such as air pollutants, water pollutants, and solid waste, and their impacts on the environment and human health.
- Learn about the regulations and policies related to pollution control, both at national and international levels.

2. Study case studies and real-life examples:
- Explore case studies and real-life examples of successful pollution control projects in different parts of the world.
- Analyze the strategies and techniques used in these projects and understand their effectiveness in reducing pollution.
- Examine the challenges faced and lessons learned from these projects.

3. Familiarize with pollution control technologies:
- Gain knowledge about the various pollution control technologies available, such as wastewater treatment techniques, air pollution control devices, and solid waste management systems.
- Understand the principles behind these technologies and their application in different scenarios.
- Stay updated with the latest advancements in pollution control technologies.

4. Conduct research and literature review:
- Read research papers, scientific journals, and publications related to environmental pollution control.
- Conduct literature reviews to gain a deeper understanding of specific topics or issues within the field.
- Look for research gaps and areas where further studies are needed.

5. Attend workshops and seminars:
- Participate in workshops, seminars, and conferences focused on environmental pollution control.
- Engage in discussions with experts and professionals in the field to gain insights and broaden your knowledge.
- Take note of the current trends and emerging technologies discussed during these events.

6. Solve practice questions and mock tests:
- Solve practice questions and mock tests to assess your understanding of environmental pollution control concepts.
- Identify areas where you need improvement and focus on strengthening those areas.
- Review the answers and explanations to understand the reasoning behind them.

Conclusion:
Improving understanding of environmental pollution control concepts in the Civil Engineering optional subject requires a combination of theoretical knowledge, practical examples, and continuous learning. By following the tips mentioned above, one can enhance their knowledge and stay updated with the latest developments in the field.