Dattak (2001)

Sunil is an NRI married to an American girl. 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. Guilt-ridden Sunil starts looking for him. He comes to know that his father might be in an old age home. He reaches there only to find that he had died a few months earlier. Sunil meets Satya Babu, his father's fellow inmate, who tells him all about his father's last days. Sunil tells the old man that he wants to adopt him as his father and requests him to come to US with him.