You're looking for the story of the Titanic movie with Bangla dubbing, released in 2021.
Bangla-dubbed versions are widely available on regional OTT platforms and social media video channels like titanic movie bangla dubbing 2021
: These often include complete movie dubs or "movie explanations" in Bengali that narrate the entire plot for regional audiences. You're looking for the story of the Titanic
কেন ২০২১ সালে বাংলা ডাবিংয়ের এত চাহিদা? titanic movie bangla dubbing 2021
: Translated with poetic flair, this remains the most iconic moment for Bengali fans.