The 31-year-old, who made his small-screen debut with Just Mohabbat in 1999, along with his actress-wife Teejay Sidhu is participating in the fifth season of Khatron Ke Khiladi.
Asked what made him say yes to the show, Karanvir said: "Because the show is exciting, adventurous and wild. I want to overcome my fears with the help of the show."
What are your fears? "I am scared of heights and performing under pressure. But I want to participate in the show without the fear of losing or winning the show," he said.
The show will air on Colors.