Green Light) is a 1964 Indian Tamil-language drama film, directed by A. Bhimsingh and produced by Rama.

Saravanan who was doing a film on engine driver was on search of suitable title while crossing railway gate at T.

[2][3] He stuck posters with green light as main feature in a wall near the railway gate which led Bhimsingh to name his film as Pachhai Vilakku.

[4] The film was initially shot in 8,000 feet (2,400 m) which left Meiyappan unimpressed and decided to reshoot with different story on the same backdrop with the additional cast involving Rajan and Pushpalatha.

[7] The Indian Express called it "a frothy, headlong musical melodrama, designed only to entertain.