Bollywood actor Ajay Devgn organised a special trailer preview of 'Tanhaji: The Unsung Warrior' for friends in Mumbai. Filmmaker Sanjay Leela Bhansali was present at the event. Director Rohit Shetty also marked his presence. 'Tanhaji: The Unsung Warrior' is an Indian biographical period drama film. Helmed by Om Raut, the movie is set to release next year.