Prakash Mehra had a script with him for many years. He started a film in the early 1980's as the much hyped " Kaayar" with Amitabh Bachchan, Anita Raaj and Raj Babbar. The film was shelved because it was too similar to Manoj Kumar's Sanyasi. Prakash rewrote the script and decided to relaunch the film in 1988 .Starring Rajesh Khanna,Hema Malini,Sanjay Dutt,
Raj Babbar, Farha Naaz, Sumeet Saigal (Later replaced by Vishal), Suresh Oberoi,Amrish Puri. Written by Laxmikant Sharma/Abrar Alvi, Music by Kalyanji Anandji,Produced and Directed by Prakash Mehra. The film was called off for unknown reasons. Prakash Mehra then restarted Kaayar with a different subject with Sanjay Dutt and Akshay Kumar. Akshay agreed to the film, but asked Prakash Mehra to replace Sanjay Dutt. Akshay told Prakash Mehra he would not be comfortable to work with Sanjay Dutt due to his problems during the making of Amaanat. Prakash Mehra decided to drop Akshay Kumar and do a film titled Bal Brahmchari with Sanjay Dutt. Due to Sanjay Dutt's court case he had to leave the film. That is when a new Kaayar was restarted and Jeetendra was signed. Puru Rajkumar was also signed for the second role. Again he had to shelve the film because the second half of the film was the exact same as the Rishi Kapoor, Nana Patekar film Hum Dono. A frustrated Prakash Mehra then decided to scrap Kaayar and make restart Bal Brahmachari and launch Puru Raj Kumar in a solo hero film.
49 year old Ashok Saraf plays a college student.
This movie is Prakash Mehra's last directed movie. Raaj Kumar dint get chance to see his son's debut movie.
After this movie Prakash Mehra wrote a script for Amitabh Bachchan film tittled Ghar Ki Bedi, he wrote the script keeping Amitabh Bachchan's age and image in mind. Amitabh was playing the role of an elder in the family, it was to be a family drama. Prakash Mehra kept the whole script ready and was waiting for Amitabh Bachchan to say yes. But Amitabh never said.
Prakash Mehra was to make a TV serial titled Ashoka The Great. When that was shelved, he promised actor Samar Singh Chauhan the lead role in his next Kaayar . But Kaayar was also shelved to make Bal Bramchari .