Hero Nagarjuna’s upcoming film "Gaganam" under the direction of Radha Mohan, who directed earlier Akasa Mantha movie, is all set for release in October. It is a bilingual in Tamil and Telugu languages. It is produced by Dil Raju in Telugu and Prakash Raj in Tamil. In this flick Prakash Raj is playing the important role. And this bilingual movie does not have a heroine. Gaganam has completed shooting and is currently in post production stage.