The .rar extension indicates that the file is a compressed archive. You will need a tool like WinRAR or 7-Zip to extract the video file inside.
In recent years, "SG" has occasionally been used for the popular Netflix series Squid Game . SG EP01 -[www.datavilla.in] (1).rar - Google Drive
Based on the file name and standard naming conventions used by file-sharing platforms like datavilla.in, "SG" most likely stands for one of the following: SG EP01 -[www.datavilla.in] (1).rar - Google Drive
A common Indian thriller series that matches the likely regional origin of the domain ".in" (India). File Details SG EP01 -[www.datavilla.in] (1).rar - Google Drive