image print two times

I’m uploading content images and featured images per post. those images print in every post. how do I remove one image? please see the below URL for full detail

https://www.tnpscrock.in/news/2022/01/%e0%ae%9c%e0%af%86%e0%ae%a9%e0%ae%b0%e0%ae%b2%e0%af%8d-%e0%ae%b0%e0%ae%be%e0%ae%b5%e0%ae%a4%e0%af%8d-%e0%ae%95%e0%ae%b2%e0%af%8d%e0%ae%af%e0%ae%be%e0%ae%a3%e0%af%8d-%e0%ae%9a%e0%ae%bf%e0%ae%99/

The page I need help with: [log in to see the link]