Salman and twinkle both didn't use to talk at all during the making of the movie. They used to come on sets, deliver their dialogues and leave without having any interaction among themselves.
During sound recording of the film Jatin Lalit jokingly said to producer Ramesh Taurani that you all will go to Switzerland for shoot sometimes take us also it might gives inspiration from location.Ramesh Taurani agreed and took Jatin Lalit with them where UK based singer Kamal Khan came to meet Salman Khan.As Jatin Lalit and Kamal Khan were no where connected to shoot and would discuss on music.This is how they came to conclusion of O O Jane Jaana in Pyar Kiya Toh Darna Kya 1998.
It was the ninth highest grossing movie of 1998.
The film had a theatrical release in Canada.
The song "is dil mein kya hai" is copied from "Mysterious Girl" by Peter Andre .