Dattak (The Adopted) is a 2001 Hindi film directed by Gul Bahar Singh with Rajit Kapoor, Anjan Srivastav and A.K.
His father lives in Kolkata with an old servant, Shambhu.
When Sunil returns home after fifteen years, he sees the house is locked and his father has disappeared.
He reaches there only to find that he had died a few months earlier.
Sunil tells the old man that he wants to adopt him as his father and requests him to come to the US with him.