NTR, Rakul Preet Singh’s film directed by Sukumar is progressing at brisk pace in London. Film makers are canning key scenes on NTR, Rajendra Prasad and other important stars. Devi Sri Prasad tuned special song for the film and NTR is hunting for a heroine to star in the film. Sources say top heroine will do the song. Buzz is the item song will give tremendous kick to masses. Film makers are considering the title ‘Naannaku Prematho’ for the film. BVSN.Prasad is producing the film.