Is Rana Daggubati dating Bipasha Basu, his co -star in 'Dum Maaro Dum'? Did he dump his 'girl friend' Shriya Saran because of Bipasha? The rumour mills have been working extra time since the trailers and photos for the movie has been coming out. Rana is fed up of these rumours. He clears the air. What does he have to say?