Shabana, who stars in the Jayant Gilatar directorial alongside Divya Dutta and Juhi Chawla, said he requested the "Bobby" actor to appear in the movie.
"Welcome @chintskap (Rishi Kapoor) to #Chalk And Duster and a million thanks for so generously agreeing to doing a guest appearance at my request. Respect," she posted on Twitter.
The film also stars Jackie Shroff, Samir Soni and Girish Karnad.