Largo Winch (The Heir Apparent: Largo Winch) (2008) imdb

Title: The Heir Apparent : Largo Winch বাংলা সাবটাইটেল বাই হাসান শুভ মিঃ এক্স
Rating  (6.5)
Plot : After a powerful billionaire is murdered, his secret adoptive son must race to prove his legitimacy, find his father's killers and stop them from taking over his financial empire.
Contributor : Hasan Shuvo Mr.X