Yes, you should incorporate the feedback and suggestions provided by mentors or teachers while reviewing mock test answers for the Public Administration optional. Here's why:

1. Expert Knowledge:
Mentors and teachers have expertise in the field of Public Administration. They possess in-depth knowledge and understanding of the subject matter. Their feedback and suggestions can provide valuable insights into the correct approach, content, and structure required for scoring well in the exam.

2. Identifying Weaknesses:
Feedback from mentors or teachers can help you identify your weaknesses and areas that require improvement. They can pinpoint specific mistakes or gaps in your understanding of concepts, which you may have overlooked. Incorporating their suggestions will enable you to address these weaknesses and enhance your overall performance.

3. Learning from Experience:
Mentors and teachers often have years of experience in teaching and mentoring students for competitive exams. They have seen numerous students go through similar challenges and understand the common mistakes made by aspirants. By incorporating their feedback, you can benefit from their experience and avoid repeating the same errors.

4. Customized Guidance:
Teachers and mentors are able to provide personalized feedback based on your individual performance and progress. They can identify your specific strengths and weaknesses and tailor their suggestions accordingly. This personalized guidance can be instrumental in improving your test-taking skills and enhancing your overall understanding of the subject.

5. Exam-oriented Approach:
Mock tests are designed to simulate the actual exam environment. Incorporating feedback and suggestions from mentors or teachers will help you align your answers with the requirements and expectations of the examiners. They can provide insights into the marking scheme, presentation style, and content selection, enabling you to adopt an exam-oriented approach.

6. Continuous Improvement:
Incorporating feedback is crucial for continuous improvement. Mock tests are a means of practice and self-assessment. By incorporating the suggestions provided by mentors or teachers, you can learn from your mistakes and gradually refine your answers. This iterative process of improvement will boost your confidence and enhance your performance in the actual exam.

In conclusion, incorporating feedback and suggestions from mentors or teachers while reviewing mock test answers for the Public Administration optional is highly recommended. Their expertise, experience, customized guidance, and exam-oriented approach can significantly contribute to your overall preparation and success in the UPSC exam.