Blind Tune)[a] is a 2018 Indian Hindi-language black comedy crime thriller film co-written and directed by Sriram Raghavan.

The script of Andhadhun was written by Raghavan, Arijit Biswas, Pooja Ladha Surti, Yogesh Chandekar and Hemanth M. Rao.

The film was shot in Pune in 44 days spread over more than a year; principal photography began in June 2017 and ended on 17 July 2018.

At the diner, a retired actor, Pramod Sinha, notices Akash and invites him to give a private performance for his wedding anniversary.

Akash sees a dead body nearby; which is Pramod's, but has to feign ignorance and continue to play to keep up his act of being blind.

Meanwhile, Simi overhears her elderly neighbour, Mrs. D'Sa, talking to a police officer about seeing an unknown man going to the Sinhas' flat the day of Pramod's murder.

Akash happens to witness upon arrival to give piano lessons to Pramod's daughter, but is forced to continue feigning blindness.

Swami reveals that Simi has a rare blood type and that her organs would sell for millions; he also plans to use her corneas to restore Akash's sight.

The cast is listed below:[5] Director-writer Sriram Raghavan saw L'Accordeur [fr] (The Piano Tuner), a 2010 French short film about a blind pianist, in 2013 at the recommendation of his friend, filmmaker Hemanth M Rao.

[13] Khurrana studied piano for four hours daily under Akshay Verma, a pianist based in Los Angeles,[14] and did not use a body double in the film.

It was not rehearsed with the actors; Raghavan told them to "just do the scene" and gave them a time frame; "We didn't want it to look practiced; we needed that uncertainty".

[4] The film was edited by Pooja Ladha Surti, and Snigdha Karmahe, Pankaj Pol and Anita Donald were its production designers.

[33] Anna M. M. Vetticad of Firstpost rated the film 4.5 out of 5 stars and wrote "Sriram Raghavan's Andhadhun should rank among the most fascinating and fun suspense thrillers ever to emerge from Bollywood".

[34] Sukanya Verma of Rediff rated the film 4.5 out of 5 stars and wrote "Andhadhun is a stunning, comic, grisly, absurd, intense, cold, crazy".

[35] Saibal Chatterjee of NDTV rated the film 4 out of 5 stars and wrote, "Watch Andhadhun with your ears, eyes and minds open.

[38] Umesh Punwani of Koimoi rated the film 4 out of 5 stars and wrote "Andhadhun also proves one thing why no high budget is required when you've such a strong script in hand".

[39] IANS of The Free Press Journal rated the film 4 out of 5 stars and wrote "Director Sriram Raghavan’s Andhadhun is a taut, skillful and surgically effective murder mystery".

[41] Shilajit Mitra of The New Indian Express rated the film 4 out of 5 stars and said in a review that "Raghavan creates a world interchangeably familiar and pulpy" in which he "strings together ingenious set-pieces and populates them with wryly-written characters".

[42] Shubhra Gupta of The Indian Express rated the film 3.5 out of 5 stars and called Andhadhun "racy, pacy and appropriately pulpy" but said it becomes a "tad heavy-handed and dull" after a while.

[43] Devesh Shamrma of Filmfare rated the film 3.5 out of 5 stars and wrote "Andhadhun has a zig zag storyline and spot on acting by the entire cast.

[44] Shibaji Roychoudhury of Times Now said the second half was predictable and "falls flat" but called the film "thrilling, full of compelling performances and exceptional sound design that will keep you at the edge of your seat".

[45] Sushant Mehta of India Today rated the film 3.5 out of 5 stars and wrote, "Raghavan's ability to shock an entire cinema hall including the most immovable, emotionless fan coupled with his ability to make the audience laugh during these moments where your heart is in your mouth defines his unique brand of cinema".

[47] Anupama Chopra wrote, "The surroundings – high-rises, leafy streets and old houses in Pune – seem perfectly normal but what's happening inside is deliciously twisted.

"[48] Udita Jhunjhunwala of Mint praised Khurrana's acting, calling it a "taut performance that balances vulnerability with craftiness", and said Tabu "runs away with the show".

[49] Shaheen Irani of Deccan Chronicle wrote, "Sriram has done a fab job in keeping dark humour intact with several quirky and surprise elements that will make you cover your face too".

[53] Poulomi Das of Arre also gave Andhadhun a positive review, saying; "The film is all about clever writing, top-notch execution, and hard-hitting social commentary – but it is also a triumph of casting, and an ode to actors".

[56] Stutee Ghosh of The Quint said, "Andhadhun deserves praise and full attention ... Make sure to not miss anything, not the opening scene nor the end credits".

[57] Anita Iyer of Khaleej Times called the film a "crisply-edited, fast-paced narrative that keeps you on the edge of the seat throughout".

[58] J. Hurtado of Screen Anarchy said; "Andhadhun shows that this veteran director knows how to make this kind of twisty genre gem better than almost anyone in India".

[63] At the end of its six-week theatrical run, Andhadhun had earned ₹101 crore (US$14.77 million) at the box office, mainly from Mumbai.