New Delhi, Aug. 3 -- Gaurav Khanna has left fans concerned after sharing a glimpse of the injuries he suffered while performing a physically demanding stunt on Khatron Ke Khiladi 15.

The actor posted a video on his Instagram Story showing multiple marks and bruises on his back, reportedly caused by rubber bullets used during the challenge. Reflecting on the experience after watching the episode on television, Khanna wrote, "I could still feel this pain watching it on TV. Most painful experience ever. All four of us went through this guys... still have these marks (sic)."

The latest episode featured Khanna alongside Vishal Aditya Singh, Shagun Sharma and Karan Wahi in a difficult stunt that appeared to leave all four contestants injured....