'Kaala' was the most challenging film of my career, says sound designer Anthony Ruban

On realising that it was not possible to shoot in Mumbai’s Dharavi, the makers recreated Asia’s second largest slum in Chennai. Art director Ramalingam also recreated the maximum city's famous Dhobi Ghat, a UNESCO certified heritage, as part of the set.

The film had over 2000 supporting artists on set, and more than 800 people worked on creating the sets.

Here: Rajinikanth shooting a portion of the film at Marin Drive.

The film has been at the centre of controversies over Rajinikanth's Cauvery remarks. The Karnataka Film Chambers of Commerce had called for a ban on the film in the state following the actor-politician's remarks on the release of Cauvery waters. But the Karnataka High Court had directed the state government to provide necessary security for peaceful release of the film.

Another controversy regarding copyright issues was also settled today, after the Supreme Court refused to stall the release of the film.

A vacation bench comprising Justices A K Goel and Ashok Bhushan refused to entertain a plea by K S Rajashekaran, who sought an injunction against release of the movie.

Rajashekaran had claimed that his copyright-protected work related to story scenes and songs were used by the producer of the movie without prior permission.