Hadh Kar Di Aapne - 2000

Raja (Govinda), a small time detective is sent on a mission to collect evidence for a divorce case. The husband (Nirmal Pandey) despatches him to Europe after his wife (Ritu Shivpuri), but Raja falls in love with her friend Anjali (Rani Mukherjee). Though Anjali hates Raja in the beginning thinking him to be a flirt, she comes around later. However, Raja now comes under the misconception that Anjali is the very person he has been sent to collect evidence against while Anjali comes to believe that Raja is her friend's husband. How their misunderstandings are cleared forms the rest of the story