However, I can certainly guide you on how to access such feedback. Here are the steps you can follow:

1. Join Online Forums: Look for online forums or discussion groups that are specifically dedicated to Economics Optional for UPSC. Platforms like EduRev provide such forums where you can post your case study analyses and seek feedback from experienced experts in the field.

2. Participate in Study Groups: Connect with other aspirants who are preparing for the UPSC Economics Optional exam. Forming or joining study groups can provide you with an opportunity to exchange case study analyses and receive feedback from fellow participants who may have expertise in the subject.

3. Seek Guidance from Teachers/Professors: Reach out to your economics professors or teachers who have experience in teaching UPSC Economics Optional. They can review your case study analyses and provide valuable feedback based on their expertise and knowledge of the subject.

4. Utilize Online Platforms: Several online platforms offer mock test series and case study analysis services specifically designed for UPSC Economics Optional. These platforms can not only provide you with expert feedback but also offer comprehensive study materials and resources to enhance your understanding of the subject.

Remember to always respect the rules and guidelines of the platforms you choose to seek feedback from. Additionally, make sure to provide clear and concise case study analyses to ensure that the experts can provide you with precise feedback.

In conclusion, accessing feedback from experienced Economics Optional experts on your case study analyses can be achieved through online forums, study groups, guidance from teachers/professors, and utilizing online platforms that specialize in UPSC Economics Optional. These resources can provide you with valuable insights and help improve your understanding of the subject.