(The x26... in your text is almost certainly x264 or x265 .)
The filename you started — Golpo.Holeo.Shotti.2014.720p.WeB-DL.Bengali.x26... — is cut off, but it likely ends with x264 or x265 (video codec). Golpo.Holeo.Shotti.2014.720p.WeB-DL.Bengali.x26...
: Using the H.264 codec ensures that the file size remains manageable without sacrificing the detail in high-motion or low-light scenes. (The x26