3 Idiots is a 2009 Indian Hindi-language coming-of-age comedy-drama film written, edited and directed by Rajkumar Hirani, co-written by Abhijat Joshi and produced by Vidhu Vinod Chopra.

Not wanting to disappoint his family or to betray Rancho, Raju attempts suicide but survives and is paralysed and near catatonic for months, leading Virus to revoke the expulsion.

On a stormy night, a pregnant Mona goes into labour while unable to reach a hospital, but successfully delivers her baby with Rancho's, Farhan's and Raju's help.

For the preparation of his role, Boman wore costumes made of cheap fabric, designed by an old tailor who stitches clothes for Parsis in Dadar (North-Central Mumbai).

[50] After talks with Kajol fell through,[51] Kareena Kapoor played the role of Pia Sahastrabuddhe, Rancho's (Aamir) love interest and a medical student.

[54] She later made her debut in the Yash Raj Films' production Rab Ne Bana Di Jodi (2008), being cast opposite Shah Rukh Khan.

[62] In December 2008, the entire cast and crew, including Khan, Madhavan, Joshi and Hirani, headed to Indian Institute of Management, Bangalore campus which served as Imperial College of Engineering.

[13] The character Phunsuk Wangdu drew inspiration from Ladakhi inventor Sonam Wangchuk, a mechanical engineering graduate from the National Institute of Technology, Srinagar.

Other singers performing vocals to the songs are Shaan, Shreya Ghoshal, Suraj Jagan, Jaive Samsun, the lyricist Kirkire and composer Moitra themselves, recording for the soundtrack.

The music album was released online (instead of a launch event),[73] by the film's official website on 27 November 2009,[74] with a video chat featuring the cast and crew members.

[121] Reliance Life Insurance started a campaign based on the song "All Is Well" and promoted it in television channels, radio stations and hoardings featuring the lead actors of the film.

[121] Trade analysts believed that the unique promotional activity helped in the massive success of the box-office breaking several records, and also creating a nationwide impact.

[120][124] In addition to encourage people watching the film in theatres, Reliance MediaWorks' marketing team managed to destroy more than 2.1 million illegal downloads.

[citation needed] In New Delhi, the sales of pirated DVDs of the film were stopped after a subsidiary company of Reliance Anil Dhirubhai Ambani Group (R-ADAG), levied a complaint to the officials to take actions against movie piracy.

[138] Nikhat Kazmi of The Times of India gave it four and a half stars and suggests that, "The film is a laugh riot, despite being high on fundas […] Hirani carries forward his simplistic 'humanism alone works' philosophy of the Munnabhai series in 3 Idiots too, making it a warm and vivacious signature tune to 2009.

"[139] Mayank Shekhar of the Hindustan Times gave the film three and a half out of five stars and comments that "this is the sort of movie you'll take home with a smile and a song on your lips.

"[141] Kaveree Bamzai of India Today gave 3 Idiots five stars and argues that "it's a lovely story, of a man from nowhere who wanted to learn, told like a fairy tale, with the secret heart carrying its coded message of setting all of us free.

"[142] Sonia Chopra of Sify gave the film 3 stars and said "Though a bit too calculated and designed, 3 Idiots is still an ok option for the significant message, interesting cast and scattered breezy moments.

"[143] Rajeev Masand of CNN-IBN gave the film three out of five stars and states: "Going home after watching 3 Idiots I felt like I'd just been to my favorite restaurant only to be a tad underwhelmed by their signature dish.

"[145] Raja Sen of Rediff gave the film two out of five stars and states: "Rajkumar Hirani's one of the directors of the decade, a man with immense talent and a knack for storytelling.

Robert Abele of Los Angeles Times wrote that there's an "unavoidable joie de vivre (symbolised by Rancho's meditative mantra 'All is well') and a performance charm that makes this one of the more naturally gregarious Bollywood imports."

[151][152] Following the financial turmoil, which affected the footfalls and earnings in multiplexes and single-screens, the stakeholders were not ready to buy the film for a huge amount, and reduce the price for distribution.

[176] Upon its release in the Japanese market in June 2013, it went on to collect around ¥100 million (₹6.1 crore) in its first two weeks of run, making it the highest-grossing Hindi film ever in Japan.

[188][189] According to Jason Mecchi of Midstory, the film "may have even played a role in the recent reorganization of the Indian education system, designed to reduce tedium and allow children to grow in multiple fields of study, rather than those that conform to a narrow idea of success.

"[94] At the ninth edition of Chennai International Film Festival held in December 2011, Naichi Ho, the director of Taipei Economic and Cultural Centre in New Delhi expressed about the phenomenal success of 3 Idiots, saying "Five years ago no one in Taiwan watched Indian movies.

By 2013, China grew to become the world's second-largest film market (after the United States), paving the way for Aamir Khan's Chinese box office success, with Dhoom 3 (2013), PK (2014), Dangal (2016) and Secret Superstar (2017).

[6] Chaerim Oh of KAIST Herald wrote that the "popularity of the movie, particularly in South Korea, can be traced back to the national background of the overly competitive education system.

[26][27] For the Telugu remake, the team considered Ram Charan[204] for the titular role same disclosed by the actor in his speech of movie promotions in Hyderabad, but the project did not materialise.

[216] The Bharatiya Janata Party, Maharashtra state spokesperson Madhav Bhandari demanded that the film should be sent for re-certification again in concern with that scene, after an incident in Seth G.S.

"[222] In June 2018, Hirani was asked a question while promoting his upcoming film Sanju and he was quoted as saying, "I definitely want to make a sequel to 3 Idiots, but it’s still in the initial stage and we will take a fair amount of time to develop the script".