Her ally in this precarious situation is Irrfan Khan, an apparently suspended cop who hogs most of the trailer's best lines.
Jackie Shroff and Shabana Azmi also appear.
Aishwarya returns to the screen five years after 2010's Guzaarish. She is also believed to be making her debut singing playback in the movie.
Jazbaa director Sanjay Gupta tweeted a series of stills and pictures from the sets in the hours leading up to the release of the trailer.
Jazbaa, which was showcased in Cannes this year, will release on October 9.