: This typically stands for No Logo (meaning the video has no TV channel watermarks) or, less commonly in this context, Dutch (Netherlands) subtitles/audio.
For those unfamiliar with the term, "Jagga.Jasoos.720p.Vegamovies.NL.mkv" appears to be a file name for a pirated copy of the 2017 Bollywood film "Jagga Jasoos", starring Ranbir Kapoor and Sonakshi Sinha. The file name itself provides a wealth of information about the nature of the content: Jagga.Jasoos.720p.Vegamovies.NL.mkv