Amitabh Bachchan suggested that his name should be in the credits after the 3 leading ladies in order to show the importance of gender equality, which is what the movie is based on. As a result, in the introductory and end credits, the three lead actresses lead the credits before Amitabh Bachchan. Generally, due to the veteran actor's seniority, it would have been him leading the credits.
Taapsee Pannu suffered from a viral infection during the court scenes and wanted to dub later, however Shoojit Sircar felt that her illness would add more authenticity to the scenes. So, despite the hardships Taapsee Pannu filmed the scenes and said she had fun doing so.
The looks of Amitabh Bachchan in the movie was created by Shoojit Sircar, however the idea of wearing the mask was suggested by Amitabh Bachchan since Delhi is very polluted.
There were 10 National Award winners in the 'Pink' movie team
Amitabh Bachchan and Dhritiman Chatterjee (The Judge) had acted together in a film 11 years before Pink, which was also a film that had just one colour as it's title; Black. Amitabh Bachchan's character's name in Black was Debraj Sahai and his character's name in Pink is Deepak Sehgal.
D.S initials are common.