Oli Vilakku

Shining Lamp) is a 1968 Indian Tamil-language action film, directed by Tapi Chanakya and produced by S. S. Vasan.

It was released on 20 September 1968, and was one of the most successful Tamil films of the year, and became a turning point in Ramachandran's career.

In the film, a burglar rescues a widowed woman whose in-laws had left to die during an outbreak of plague.

Due to his repetitive crimes, the court orders him to stay in a small town for six months.

When a plague empties Maanggudi of its inhabitants; Muthu takes the opportunity to burgle a house.

Muthu brings a local village doctor, Kannaiyah, and nurses her back to health.

Geetha, through accident, kills Master Jambu gang member Rathnam to save Muthu.

The rest of the story follows how Muthu escapes from Master Jambu's gang, and Shanti and Geetha's fate.

[11] Unlike the original, where the male lead (Dharmendra) marries the widow (Kumari), the climax was changed for Oli Vilakku at Ramachandran's suggestion; it ends with the male lead (Ramachandran) marrying the unmarried woman (Jayalalithaa) while the widow (Janaki) dies.

Ramachandran, who generally avoided smoking and drinking in films, was stuck in a dilemma, and approached Vaali who presented a solution: Ramachandran's character would be drunk, but his conscience would emerge as four different beings to criticise his acting in the song.

Ramachandran then asked Vaali for the pallavi, and Vaali wrote the lines "Dhayiriamaaga sol nee manidhan thaanaa, Nee thaan oru mirugam, Indha madhuvil vizhum neram" (Tell me bravely, are you a human?

[15] "Naan Kanda Kanavil" is based on "Zindagi Mein Pyar Karna" from the Hindi original, and the Portuguese song "Andorinha Preta".

[17] Two days later, the reviewer from The Indian Express derided the film, saying it "lapses into mediocrity thanks to inept handling of the theme and unconvincing performances."

[18] On 6 October 1968, the magazine Ananda Vikatan published a review jointly conducted by many people, most of whom positively commented on the film.

[20] According to historian Randor Guy, the film was "one of the biggest hits of 1968", and performed well even in Sri Lanka.

[21] When Ramachandran was hospitalised in 1984 at Brooklyn Hospital, New York, footage showing a tearful Janaki lip syncing to "Aandavane Un" prefaced film screenings across cinema halls in Tamil Nadu.