Gaurav Khanna on participating in Khatron Ke Khiladi 15 (Photo: Gaurav Khanna / Instagram) After winning Celebrity MasterChef and Bigg Boss 19, television actor Gaurav Khanna has moved on to his third reality show, Khatron Ke Khiladi 15. Before entering the Rohit Shetty-hosted show, the actor sat down for an exclusive conversation with SCREEN. During the interview, Gaurav opened up about taking on Khatron Ke Khiladi 15 , saying he signed up for the show purely to test himself. He also shared how his colour blindness and other physical challenges could pose difficulties during the competition. Gaurav Khanna on particpating on Khatron Ke Khiladi 15 Sharing why he chose to take part in the stunt-based reality show, after winning his previous two reality shows, Gaurav Khanna explained, “Irrespective of the format of the show, as a person, I believe that my last show should be different from my current show. I have always tried to follow this in my career for the last 20 years.…