This is the only movie Salman Khan and Sonali Bendre were paired opposite each other.
Sonali joined Raveena, Urmila, Manisha Koirala, Kajol, Twinkle, Preity, Madhuri, Rani, Kareena, Katrina & Anushka as one of the actresses to have paired opposite all 3 Khans - Aamir, SRK and Salman
Anil Kapoor and Rishi Kapoor were the first choice's for Mohnish Behl's role.
This is the only film starring Salman and Karisma in which they aren't paired opposite each other.
Monish Bahl prepared himself for the role by keeping his hands in pockets even before the shoot started.
First film of Salman and Saif together.
In the film, Saif Ali Khan and Karisma Kapoor were paired opposite each other. Little did they know, Saif would later marry Karisma's sister, Kareena and Karisma would become Saif's sister-in-law.
Rishi Kapoor was offered the role of Neelam's husband but he refused.
Madhuri Dixit was initially offered Tabu's role, but she declined.
Sooraj Barjatya's third hit with Salman Khan Monish Bahl, Reema Lagoo, Aloknath and Ajit Vachnani, who were also part of hits previous two hit films Maine Pyar Kiya 1989 and Hum Aapke Hian Kaun 1994.
During the filming of this movie, Salman Khan, Saif Ali Khan, Neelam, Tabu and Sonali Bendre went hunting on a distant forest of Rajasthan and got involved in the infamous black buck poaching case.
Salman Khan and Sooraj Barjatya had parted ways for some years after the film's release because of Salman's Black Buck hunting incident on location which had annoyed the entire Rajshri team.
Laxmikant Berde who featured in meaty roles in Sooraj's earlier films, was not part of this film, therefore Shakti Kapoor played a similar role in the film.
Raamlakshman composed as many as 27 tunes, out of which the final seven were selected.
Last film of Neelam before she got into her jewellery business. Her film Kasam (2001) was released in 2001, which was delayed by at least 6 years.
The film had a theatrical release in Canada.
Aishwarya Rai Bachchan was offered a role in this movie, but she wasn't able to accept it because of date issues.
Ajit Vachnani played the character of Mama (mother's brother) to Monish Bahl in for the third time in a row in a film directed by Sooraj Barjatya.
The film released on the eve of Diwali on 5th November 1999 with a good opening. Coke, which has bagged the publicity rights to the film, has spent at least Rs 12.5 million on promoting the film.
Raveena Tandon was the first choice for Sonali Bendre's role.
The film would have been released much earlier, but for the music. Composer Raamlakshman was just not convinced he could do justice to the story of the film, which he felt was very powerful.
Jatin Kanakia passed away before the film released.
Reema Lagoo played Mohinish's mother even in VAASTAV which released in the same year, strangely she is just few years older to him.
Main Pyar Kiya, Hum Aapke Hai Koun! & Hum Saath Saath Hai all have similar look. After Hum Saath Saath Hai, filmaker Sooraj Bharjatya, changed his type of filmmaking.
Before this film, Saif and Salman worked together in Biwi Number 1, where Saif gave a guest appearance.
Manisha Koirala was also offered Tabu's role, but she had all her dates blocked for Mann.
Nitish Bharadwaj was approached for Mahesh Thakur's role .
Earning over ₹810 million worldwide, Hum Saath-Saath Hain went on to become the highest-grossing film of the year.
Lyricist Raghvendra Singh worked as an Assistant Director in the film.
The film was also dubbed into the Telugu and released with the title Premaanuraagam.