appears to be a movie file downloaded from MovieLinkBD.com, a website that provides links to download movies. Here's a general guide about the file:
If you specifically want or dual audio English-Bengali , legal options are limited. However, you can purchase the original Blu-ray or digital copy and add external subtitle files (e.g., .srt) from legal open-subtitle sites. That way, you get high quality without breaking the law. MovieLinkBD.com Inception 720p dual.mkv
A 720p resolution provides high-definition clarity that looks great on most laptops and tablets without the massive file size of a 4K or 1080p rip. appears to be a movie file downloaded from MovieLinkBD