Download - 6.underground.2019.720p.webrip.hind... < 100% PROVEN >
A release typically fixes a technical or naming error from an earlier release. For this movie, a "proper" feature would mean a scene group has released a corrected version (e.g., fixing sync issues, audio channels, or missing HDR metadata).
However, based on your snippet, a (without the word "Download") would be: Download - 6.Underground.2019.720p.Webrip.Hind...
It looks like you're asking for a (i.e., a correctly formatted scene release name) based on the incomplete title: A release typically fixes a technical or naming
Download - 6.Underground.2019.720p.Webrip.Hind... fixing sync issues
6.Underground.2019.720p.WEBRip.Hindi.DDP5.1.x264-GROUPNAME Or if you meant an actual release (e.g., PROPER tag in the filename), it would look like:

