It is a known fact that NTR will be doing a film in the direction of Koratala Siva and the project was also announced a few weeks back.
Now, as per the latest gossip, Koratala is working on the final draft of the film and is yet to narrate the final output to NTR as of now.
Only when NTR gives a green signal, the film will go on floors. Koratala saw a debacle in the form of Acharya and that is the reason he does not want to take any risk and is making sure the script turns out well.