Another primary source for the original Malayalam version. Movie Details
Finally, Ratan inserted a blank 8GB pen drive. The file wrote slowly, like rain on a tin roof. When it finished, he labeled the drive with a marker: . movielinkbdcom charlie 2015 dual audio hind
: This seems to be a shorthand for "Hindi," which is one of the official languages of India and widely spoken across the Indian subcontinent. The presence of "Hind" in the search term implies that the user is looking for a movie with Hindi audio. Another primary source for the original Malayalam version