Hera Pheri (1976)

Vijay and Ajay manage to trick many wealthy people. Their lives undergo many changes after a caper at a casino, where a gangster PK recognizes Vijay and decides to separate the two friends by claiming that Ajay is his long-lost son. He insinuates that Vijay has not been completely frank with Ajay and implicates him in the murder of a man named Mac.