"Shab talks about the citizens of the city who are like caged migrants and it captures the soul of South Delhi, Hauj Khas and South Extension," Onir told PTI here.
He said that the four characters in the film embodied the four seasons and through them he had sought to capture the contrasting colors of the city representing the different seasons.
"I have deliberately kept out Chandni Chowk and typical old Delhi localities you can always see in films apart from the India Gate. But Delhi is more than that," he said.
"Arpita, who is Prosenjit Chatterjee's wife and already a star in Bengali film industry, will make a strong impact in her debut film," Onir said.
Onir, who is ecstatic at the way Kolkata is decked up for the festivities, wants to make a film in Bangla.
"As the city of culture and arts and soft-spoken people I think Kolkata needs to come out of the crisis it is passing through," he said in an oblique reference to the student unrest.
Asked about Bengali film-makers in Bollywood, Onir said, "It is all too natural that Bengali film-makers will retain their sensibilities in Bollywood films.
