Why Katrina and Hrithik not on talking terms

Katrina Kaif and Hrithik Roshan's chemistry in Zindagi Na Milegi Dobara was undoubtedly sizzling. And that?s one reason why we are looking forward to their next film Bang Bang which is the official remake of Hollywood hit film Knight and Day. As soon as they started shooting for their action thriller, reports about their growing proximity on the sets did the rounds.