Dada Saheb Phalke Awardee Telugu actor Nageswara Rao, who was struggling with intestinal cancer, died Wednesday in Hyderabad at the age of 90. "He died in his sleep in the early hours of Wednesday morning at his residence," said Rao's manager. Rao's 70-year-old career comprises a filmography of over 250 films, including Telugu as well as some Tamil films.