The buzz that Katrina Kaif is playing the leading lady in Yash Raj’s high octane action thriller ‘Dhoom 3’ is totally denied by Yash Raj. According to an insider, Katrina Kaif is not in the movie as the actress is busy with Yash Raj’s another flick, ‘Ek Tha Tiger’ opposite Salman Khan directed by Kabir Khan.‘Dhoom 3’ will see Aamir Khan in the role of a smart villain. He will undergo a total