the submitted original papers are filed in a folder aka file, all those papers in the registration file are stamped by excise office, that file when requested is returned to the person / owner of the vehicle as appears on registration book. & system mark it FILE RETURNED.
The original file is to be submitted for transfer of ownership every time owner ship is changed / vehicle is sold.
The 5th class fail parchi clerks & agents term it as RETURN FILE ..... [ File wapas ]