Mahesh Babu One movie progressing in London. Mean while , another teaser is getting ready for release. We all know that Mahesh babu One teaser got huge response, even though there is no dialogue in the teaser. Now , Makers are planning for dialogue teaser , on the eve of Mahesh Babu Birthday i.e,. August 9. Important action sequences are filming at London. Mahesh babu son Gawtham debuting as child artist for this flick Devi Sri Prasad composing tunes for this flick. 14 Reels entertainment producing this movie.