Amitabh Bachchan has said he feels "joy and honour" in collaborating with South superstar Chiranjeevi on his next Telugu film, "Sye Raa Narasimha Reddy". The 75-year-old actor is currently in Hyderabad to shoot for the film, in which he has a a guest appearance. "'SYEERA... Narasimha Reddy'... The joy and honour of working with Chiranjeevi Garu," Amitabh tweeted along with photos from the film's set.