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: Download - 6.Underground.2019.720p.Webrip.Hind...
However, based on your snippet, a (without the word "Download") would be: Download - 6
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: based on your snippet