Pawan Kalyan's upcoming film Ustaad Bhagat Singh has not generated the kind of massive buzz that usually surrounds his releases.

The advance booking trend for Ustaad Bhagat Singh in the United States has raised concerns, as the numbers remain modest with only a few days left for the premiere.

The makers of Ustaad Bhagat Singh are leaving no stone unturned to build strong momentum around the film.