Nana Patekar was the original choice for Paresh Rawal's role. He shot for the film but kept interfering with the direction. Indra Kumar got frustrated and told Nana it was best to part ways.
Raja was a blockbuster film and completed Golden Jubilee at the Box Office.
The intro music of the song Ankhiyan Milao was sampled from the intro music of the song "Jewel" from the album Star Crazy by Bally Sagoo.
Sanjay Kapoor's first hit but Madhuri got all the credit, some critics even said that the film should have been titled Rani.
Actor Adi Irani who has appeared in many films in supporting roles like Dil, Beta, Raja is the brother of director Indra Kumar.