The jhagda: Has been on for over three years now.
The cause: The reason is an open secret. It's a relationship gone bad. According to insiders, Tiwari and Khan were more than good friends on the show at one time. But a solitary incident changed the happy scenario. Shweta found out that Cezanne was a Casanova. He believed in dating multiple women at the same time, so she dumped him.
Patch up possibility: Are you kidding? Even though in recent times there have been whispers of an impending make up between the two, the reality is that they still can't tolerate each other.