"Manikya Kallu" is yet another Malayalam flick in the budding superstar Prithviraj's kitty. The movie to be directed by M Mohanan is about a teacher in a village and his students. The movie requires few child artists, and according to sources, the filmmakers are in lookout for some fresh faces. The heroine of the movie is also yet to be decided. The movie will be scripted by the director himself and it is being done on an experimental basis with so many new faces, say sources.