Introduction:
Geoenvironmental engineering is a branch of civil engineering that focuses on the interaction between the geotechnical and environmental aspects of a project. It involves the design, construction, and management of engineering systems that address geotechnical and environmental issues. To improve your understanding of geoenvironmental engineering concepts in the civil engineering optional subject, consider the following strategies:

1. Study Relevant Textbooks and Reference Materials:
- Start by reading the recommended textbooks and reference materials provided by your university or college. These resources will provide a comprehensive overview of geoenvironmental engineering concepts.
- Make sure to understand the fundamental principles, theories, and equations that govern geoenvironmental engineering.
- Take notes and highlight important concepts to aid your understanding and revision.

2. Attend Lectures and Workshops:
- Attend lectures and workshops conducted by experienced professors and industry experts. These sessions will provide valuable insights into the practical applications of geoenvironmental engineering.
- Take part in discussions and ask questions to clarify any doubts you may have.
- Participate in hands-on activities or laboratory experiments to enhance your practical understanding of the subject.

3. Solve Practice Problems:
- Practice solving numerical problems and case studies related to geoenvironmental engineering. This will help you apply theoretical concepts to real-world scenarios.
- Work on sample question papers and previous years' question papers to familiarize yourself with the exam pattern and improve your problem-solving skills.
- Review your solutions and identify areas where you need further improvement.

4. Engage in Group Study:
- Form study groups with fellow students who are also studying geoenvironmental engineering. Collaborative learning can help you gain different perspectives and deepen your understanding of the subject.
- Discuss concepts, solve problems together, and share study resources and notes.
- Teach and explain concepts to your study group members, as teaching others can enhance your own understanding.

5. Seek Guidance from Professors and Experts:
- Approach your professors or subject matter experts for clarification on complex concepts or doubts.
- Attend office hours or schedule meetings with your professors to discuss specific topics or seek guidance on additional study materials.
- Seek advice from industry professionals or alumni who have expertise in geoenvironmental engineering. Their practical insights can provide a broader perspective on the subject.

6. Utilize Online Resources:
- Explore online resources such as educational websites, forums, and video tutorials to supplement your learning.
- EduRev is a useful platform that provides a wide range of study materials, including notes, question papers, and mock tests for geoenvironmental engineering.
- Use these resources to reinforce your understanding of key concepts and practice additional problems.

Conclusion:
Improving your understanding of geoenvironmental engineering concepts requires a combination of studying textbooks, attending lectures, solving practice problems, engaging in group study, seeking guidance from professors, and utilizing online resources. By following these strategies and dedicating sufficient time and effort to your studies, you can enhance your knowledge and excel in this subject.