: It could refer to a specific episode of a Pakistani or Indian television drama or a short film of the same name.
While "Namak" (meaning "Salt" in Hindi/Urdu) is a common title in South Asian media, here are the most likely matches for this specific file:
Based on the title format , this appears to refer to a digital video file, likely a part of a movie or web series hosted on or downloaded from the mobile video site Okmp4 .