Claim: Gemini was written by Saran.

Gemini is a 2002 Indian Tamil-language action film written and directed by Saran and produced by AVM Productions . The film features Vikram in the title role of a small-time criminal and aspiring don who , after falling in love , decides to refrain from crime ; Kiran Rathod plays his love interest . Murali stars as Singaperumal , a police officer who inspires and guides Gemini in his attempts to reform . The cast includes Kalabhavan Mani as the principal antagonist while Vinu Chakravarthy , Manorama and Thennavan portray significant roles . Based on gang wars in Chennai , the film delves into the lives of outlaws and the roles the police and society play in their rehabilitation and acceptance .   In early 2001 , rival gangsters `` Vellai '' Ravi and Chera reformed themselves with the patronage of a police officer . Saran was inspired by this incident and scripted a story based on it . The film was initially entitled Erumugam with Ajith Kumar intended to play the lead role , but the project was shelved after a week 's shoot when Ajith lost interest and left . Saran reworked the script , retitled the production Gemini and cast the new leads . The revived project was announced in August 2001 . Production began shortly afterwards in December the same year and was completed by March 2002 . The film was shot mainly at the AVM Studios in Chennai , while two song sequences were filmed in Switzerland . The film had cinematography by A. Venkatesh and editing by Suresh Urs while the soundtrack was scored by Bharathwaj .   The film 's soundtrack was well received , with the song `` O Podu '' becoming a sensation in Tamil Nadu . Gemini was released two days ahead of the Tamil New Year on 12 April 2002 and received mixed reviews from critics , with praise directed towards the performances of Vikram and Mani but criticism towards Saran 's script . Made at an estimated cost of , the film earned at the box office and became the highest-grossing Tamil film of the year . The film 's success , largely attributed to the popularity of `` O Podu '' , resurrected the Tamil film industry , which was experiencing difficulties after a series of box office failures . The film won three Filmfare Awards , three ITFA Awards and four Cinema Express Awards . Later that same year , Saran remade the film in Telugu as Gemeni .