<P> Rahul Mithaiwala (Shah Rukh Khan) is an orphaned bachelor living in Mumbai . Raised by his grandparents from the age of eight, Rahul's grandfather (Lekh Tandon) owns a chain of confectionery shops . Before his grandfather's 100th birthday celebration, two of Rahul's friends invite him to accompany them on a vacation in Goa, which he accepts . Rahul's grandfather dies on the eve of the celebration, just when he witnesses Sachin Tendulkar on TV in a cricket match get dismissed on his 99th run . His grandmother tells Rahul that his grandfather wanted his ashes to be divided into two parts--one of each to be immersed in the Ganga and Rameswaram . She asks Rahul to take the ashes to Rameswaram and disperse them . Reluctantly, he accepts her request but is also eager to attend the Goa trip . </P> <P> Rahul and his friends plan to dump the ashes at Goa but his grandmother wants to see him off, forcing Rahul to travel by train . He books a single ticket on the Chennai Express, planning to meet his friends along the way, at Kalyan Junction station . However, Rahul forgets to take the ashes, and he almost misses the train when he returns to collect them . As he tries to leave the train, he notices a young woman running to board it . He helps her and four other people board the moving train, but the train leaves the station before he can get off . </P> <P> Rahul tries to flirt with the woman, who starts communicating by singing parodies of Hindi film songs, and explains that the four men are trying to kidnap her . Rahul lends her his mobile phone so that she can contact her friends, but the men with her grab it and throw it from the train . Rahul is annoyed, but says nothing because the men are carrying weapons . Rahul tells the Travelling Ticket Examiner about them, but they push the inspector into a river below a bridge . Panicked, Rahul learns that the men are her cousins, and that her name is Meenalochni "Meena" Azhagusundaram (Deepika Padukone). She is fleeing from a forced marriage to Tangaballi (Nikitin Dheer). Her father, Durgeshwara Azhagusundaram (Sathyaraj) is a powerful headman of the local mafia in Tamil Nadu . </P> <P> Meena takes Rahul to her father and introduces him as her lover . Tangaballi challenges Rahul to a duel that Rahul unknowingly accepts, due to his lack of knowledge in Tamil . On the night of the duel, Rahul escapes with the help of a local policeman, Shamsher (Mukesh Tiwari), but he ends up on a ship with Sri Lankan terrorists and smugglers . A gun battle ensues between the police force and the terrorists . When the police officers investigate and take Rahul into custody, he tells his story and ends up back in Komban . </P>

Chennai express is remake of which south indian movie