The film has been directed by Kushan Nandy and its is a quirky story about a small time contract killer, Babu, played by Siddiqui.
In the poster, the actor is photographed from behind, walking into an open field, carrying a can in one hand, a transistor on his shoulder and a gun tucked in his lungi.
"Teaser Poster of my next #BabumoshaiBandookbaaz @BabuBandookbaaz @KushanNandy," Siddiqui wrote alingside the poster.
Filmmaker Anurag Kashyap praised the poster on Facebook, writing, "Poster sahi hai.. Picture ka intezar hai (the poster is nice, waiting for the film).