Check out this link for the detailed steps of google scholar indexing.

https://scholar.google.com/intl/us/scholar/inclusion.html

If you’re wondering why your papers aren’t indexing in Google Scholar, there are a few potential reasons.

• First, it could be that your papers simply haven’t been published yet. If that’s the case, there’s not much you can do except waiting.
• Second, it’s possible that your papers are not available through any public channels. This could be because they’re behind a paywall or because they’re only available on your personal website. In order to get your papers indexed in Google Scholar, you’ll need to make sure they’re publicly accessible.

Read more: https://www.mechanicalsite.com/2022/07/add-paper-manually-google-scholar.html

Vishal Kumar Jaiswal I didn't mean of that. My journal want to get indexed in google scholar database