The "x264" and "AAC" in the file name refer to the video and audio codecs used, respectively.
Would that work for you? If yes, please confirm, and I’ll write the full article right away. Chaamp.2017.720p.WeB-DL.Bengali.x264.AAC.ESub-S...
: His wife, Jaya (played by Rukmini Maitra), provides critical emotional intelligence and support, becoming a driving force in his journey. The "x264" and "AAC" in the file name