Actor Nandamuri Balakrishna, who is basking in on the success of his recent release "Dictator," has reportedly roped in ace director Krishna Vamsi for his 100th film. A lot has been spoken and written about Balakrishna's 100th film. The speculation about its cast and crew started months before the release of his 99th movie, "Dictator." Nandamuri family fans are eagerly waiting to know about the director of the film. The names of several ace helmers were linked with this project.