Blue is a 2009 Indian Hindi-language action-adventure film co-written and directed by Anthony D'Souza, and produced by Dhilin Mehta under Shree Astavinayak Cine Vision Limited.

The film stars Sanjay Dutt, Akshay Kumar, Lara Dutta, Zayed Khan, and Rahul Dev.

Loosely based on the Hollywood film Into the Blue (2005) and its sequel Into the Blue 2: The Reef (2009), it explores a diver, haunted by his past, who must confront it in order to save his younger brother and girlfriend from a gangster, while his employer and good friend coaxes him to recover a lost, sunken treasure which he refuses to.

An opening sequence shows a famous ship, Lady in Blue, sinking in a storm and the captain emerging alone on the seashore.

Sagar's younger brother Sam meets Nikki, a female biker who actually works for underworld gangster Gulshan in Bangkok.

Years ago, Sagar had to abandon his archaeologist father, Aadesh Singh, on the ship to save his own life.

The music of the film was composed by A. R. Rahman with lyrics provided by Abbas Tyrewala, Mayur Puri, Rajat Arora, Raqeeb Alam and Sukhwinder Singh.

The song "Chiggy Wiggy" was sung by pop singer Kylie Minogue and Sonu Nigam.

[6] The track "Aaj Dil Gustakh Hai", which begins with a sequence of Sukhwinder Singh's humming, followed by an acoustic guitar loop presents Shreya Ghoshal handling a westernised rendition.

"Fiqrana" features vocals by Vijay Prakash and Shreya Ghoshal and was picturised as solo performances of Akshay Kumar, Lara Dutta and Zayed Khan.

Sanjay Dutt, the actor playing the film's protagonist boycotted the promotional events since he was not included in this song, which remained chart-topper for many weeks.

The official track listing:[7] All lyrics are written by RajasriThe soundtrack of the film received positive reviews upon release.

Anupama Chopra of NDTV called the movie an 'smartly crafted underwater thriller', criticizing and at the same time praising the performance of the cast and the script.