Southern actor Rana Daggubati, who is set to make his Bollywood debut in "Dum Maaro Dum", has squashed rumours of a relationship with co-star Bipasha Basu. "I have immense respect for Bipasha as a co-star and it's embarrassing that people should think otherwise. Don't know where the rumors keep creeping up from over and over again!" Daggubati posted on his Twitter
