The 32-year-old actor took to Twitter to reveal his look for the movie.
"And here is my guest appearance from #Raabta," wrote Rajkummar.
The picture shows the National award-winning actor wearing prosthetics and tribal jewellery with tattoos.
The "Trapped" actor was seen in the trailer of the film in a blink-and-you-miss-it appearance.
According to reports, Rajkummar will be seen playing a man aged over 300-years-old in the Dinesh Vijan-directed film.
"Raabta" is slated to hit the screens on June 9.
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