He robs various branches of Western Bank of Chicago , leaving behind a message in Hindi and a clown mask .
Years later , Sahir ( Aamir Khan ) has still not forgotten the high - handedness of the bank and swears revenge .
Sahir robs various branches of Western Bank of Chicago , leaving behind a message in Hindi and a clown mask .
Years later , Sahir ( Aamir Khan ) has still not forgotten the high - handedness of the bank and swears revenge .