"Pink", co-produced by Shoojit Sircar and directed by Aniruddha Roy Chowdhury, is a message-based drama on sexual crimes against women.
Amitabh, who plays a lawyer in the film, took to Twitter on Sunday to talk about the appreciation the film is receiving.
"'Pink' -- the incredible attention it is getting is phenomenal... Attention plus immense praise. Immense love," the 74-year-old tweeted.
Released on September 16, the film also features Taapsee Pannu, Kirti Kulhari, Andrea Tariang, Angad Bedi, Piyush Mishra and Dhritiman Chatterjee.
Various Bollywood celebrities like Varun Dhawan, Divya Dutta, Riteish Deshmukh and Genelia Deshmukh have praised the film on the micro-blogging site.
Here's what they have written:
Varun Dhawan: Absolutely loved 'Pink'. Loved everything about it. The performances are top notch. Amitabh Bachchan is just wow. Still can't get over 'Pink'. Aniruddha has made such a fine and noble film.
Divya Dutta: I could only get up with the rest of then for a standing ovation. Speechless! Thank you Shoojit Sircar! Qudos to you and your team. And Amitabh Bachchan sir, it's an honour to watch you perform, know you and to have worked with you! Overwhelmed watching you in 'Pink'.
Riteish Deshmukh: 'Pink' is beyond brilliant. Finest film of the year so far. Producer Shoojit Sircar and director Aniruddha take a bow. Waiting for your next.
Genelia Deshmukh: 'Pink'... What a film. Watched a film after ages and what an experience. Shoojit Sircar, thank you for such a relevant fabulous film.
