Jr.NTR has wrapped up his dubbing for his forthcoming release Dammu taking shape in the hands of director Boyapati Srinu. The film is left with one song and the post-production works are on full-swing in Prasad labs. Music director MM Keeravani who is set to begin background score music for the film said, “Just watched Dhammu full movie except climax … Starting b.g. from tomorrow. Boyapati redefined NTR’s stamina !” Trisha and Karthika are playing …