No doubt, hotshot star Ravi Teja's movie 'Tiger Nageshwar Rao' has triggered enough buzz and is set for a pan-India release very soon. However, an industry source claims that Rana Daggubati refused to play the role of a dreaded thief from Bapatla before it was accepted by Ravi Teja. "After listening to the entire script from Vamsee for two hours, …