Yes, you should update your live photo during the correction window for SSC CGL if the quality of your previously approved picture was not good due to lighting issues.

Even if the initial photo was accepted through the SSC app, uploading a clearer and better-quality image can help avoid any potential problems during the final verification process.

The correction window allows you to make necessary changes, including uploading an improved live photograph. Ensure that the new photo meets the specified guidelines, such as proper lighting, background, and resolution requirements, to avoid any complications.

Taking this opportunity to enhance your application is advisable