Dattak(2001)

When the Indian-born Sunil (Rajit Kapoor) stops getting letters from his father back home, he takes a break from his lucrative corporate gig in the States and pays dad a visit. But once in Calcutta, Sunil learns that his father moved away a few years earlier, prompting Sunil to go searching for him. As he follows the scant trail, Sunil starts to understand that his selfish lifestyle bore grave consequences for his father.