The filename you provided, mlsbd-shop-karagar-2022-s01-1337xhd-shop-bengali-hoichoi-480p-mkv , is a specific string typically used on file-sharing sites to describe a digital copy of a television series.
The "proper features" or technical specifications of a file with this name are: The filename you provided
The series follows a mysterious prisoner in Akashnagar Central Jail who appears in "Cell No. 145"—a cell that has been locked for 50 years. The prisoner claims to be an immortal who has been incarcerated since the British Raj and was involved in the 1971 Liberation War. The story centers on the jail authorities trying to uncover his true identity and the secrets of his appearance. The filename you provided