The 51-year-old actor, who essayed the role of Karan in the 1995 movie, took to social media to express his gratitude.
"Thanx Rakeshji for giving @iamsrk and me #21yearsofKaranArjun. Congrats duggu on #17YearsOfKNPH @iHrithik," Salman wrote captioning a picture of him, SRK and Hrithik taken on the set of the film.
The "Sultan" star also wished luck to Shah Rukh and Hrithik for their upcoming films "Raees" And "Kaabil".
Both the movie are scheduled to release on January 25.