New Delhi, March 16 (ANI): Sanjay Dutt's much-awaited biopic starring Ranbir Kapoor in the lead role now has a release date. The film will hit the theatres on Christmas, 2017. According to a leading daily website, the footage of Sanjay walking out of jail and saluting the National flag after his release will be an essential part of his biopic. The much-awaited film will start its shooting this September. Further information about the movie has been kept under wraps.