Mann is a 1999 Indian movie directed by Indra Kumar. The film stars popular actors Aamir Khan and Manisha Koirala. Rani Mukerji also makes a special appearance in the movie.
Karan Dev Singh [Aamir Khan], a Casanova deep in debt, agrees to marry Anita [Deepti Bhatnagar], the daughter of Singhania [Dalip Tahil], a rich tycoon. Priya [Manisha Koirala] and Karan meet on a cruise. Priya has just won a dancing competition and Karan has just finished some work for his to-be father-in-law, even though he hasnt made a good first impression. He tries to make Priya fall for his charms but he is unsuccessful, but they become friends before they separate.
Priya and Karan fall in love. Raj [Anil Kapoor] is Priyas fiancÚ and she agrees to marry him because he had helped her when she was in need. When the time comes for the engagement of Karan, he says no to everything and ends up on the street, which Priya sees on TV. The day Priya gets engaged, she writes a letter to Karan telling him that their relationship is over. Raj gets the letter by mistake and he agrees to let her go. While she is going to meet him she has an accident and has to get her legs amputated, which makes Karan unhappy, and he goes on to become a famous painter. He later meets Priya again but does not realize that she got her legs amputated, and she does not tell him. Finally, he has an exhibition and Priya purchases a painting of his, which is of her speaking to his grandmother, whom Karan had introduced to her to during the cruise. One day he comes to give her a payal [piece of jewellery worn on the feet around the ankles] and sees the painting, which causes him to learn that her legs were amputated. Karan and Priya then marry each other.
* Aishwarya Rai was offered the lead role of Priya. Interestingly, her movie Hum Dil De Chuke Sanam released at the same time and became an unexpected hit.
* The movie borrows plot elements from the Hollywood classic Love Affair  and An Affair to Remember .
* One of the films songs, Tinak Tin Tana, created controversy because the melody was taken from Malaysians Indonesian born singer- songwriter Iwans song Yang Sedang-Sedang Saja. Iwan sued Sanjeev-Darshan, the films music director, for plagiarism and won the case.
* The song "Nasha Hai Pyar Ka Nasha" has been plagiarised from Toto Cutugnos song "Litaliano".
*The song "Kali Nagin" has been inspired from a rai song "Ya Rayah" by Rachid Taha [Original by Dahmane El Harrachi].
*The song "chaha hai tujko" has been inspired from Telugu movie Raja "Edo oka ragam pilichindhi vela"
*The song "Kehna Hai Tujhse" has been inspired from the song "Liquid" by Jars of Clay.
*The song "Khushiyan aur gham" has been inspired from the song "Comevore [Italian]" by Eurotica.
Source : Mann Wiki Page