He was to appear on the dance reality show to promote his forthcoming film "Kai Po Che!", releasing February 22, and hurt himself while doing a tricky move.

A source close to the team revealed: "Sushant was in excruciating pain and was rushed to the Kokilaben Dhirubhai Ambani Hospital. The X-ray results showed a ligament tear. Though discharged from the hospital, he needs to be under doctors observation for 24 hours."