When the film makers feel that the storyline, presentation, ending of the movie is suitable for all kinds of audience in different parts of India and if the movie has made enough funds in one particular language they take initiatives to make the film in different languages.
There are many films which have been dubbed or remade in different languages but the film which was remade in seven languages for the first time like Hindi, Tamil, Telugu, Odia, Bengali, Sinhala, Bangladeshi Bengali is from Sandalwood film industry.
This was the film of Dr. Rajkumar in 1986 of Kannada language by name Anuraga Aralithu. The film was directed by M.S. Rajashekar, it was based on the Kannada novel Anuragada Anthapura written by H.G. Radhadevi.
Dr. Rajkumar, Madhavi and Geetha were in the main roles. This was a super hit at box office, it was screened for about 50 weeks in the theaters.
This highly successful movie was later remade in-
Tamil in 1992 as Mannan- Rajnikanth, Vijayashanthi and Kushboo had acted in Mannan and this was the big block-buster movie.
Telugu in 1992 as Gharana Mogudu- Chiranjeevi, Nagma and Vani Vishwanath were in the main roles and this had become highly successful in box-office and this film made Chiranjeevi the highest paid actor in India.
Hindi in 1994 as Laadla- Anil Kapoor, Sridevi and Raveena Tandon were in the main roles. This film had become one of the highest grossing films of the year.
Sinhala in 1996 as Mal Hathai.
Odia in 1998 as Sindura Nuhein Khela Ghara.
Bengali in 2001 as Jamaibabu Jindabad.
Bangladeshi Bengali in 2002 as Shami Strir Juddho.
This was the first Kannada movie that was remade in Bengali, Odia, Bangladeshi Bengali and Sinhala. And this was the first Kannada movie that was remade in 2 foreign languages also.
With the remake of this movie Rajkumar became the first Indian actor whose more than 50 movies were remade in different languages and this film Anuraga Aralithu became the first Indian movie to be remade in 7 other languages.