Neelagiri Express

Neelagiri Express is a 1968 Indian Tamil-language thriller film directed by Thirumalai–Mahalingam and written by Cho Ramaswamy. The music was composed by T. K. Ramamoorthy. The film stars Jaishankar, Cho, Vijaya Nirmala and Vijaya Lalitha. It is a remake of a 1967 Malayalam film Cochin Express (1967). The film was released on 23 March 1968 and was a commercial success.

Plot
A murder takes place aboard Neelagiri Express, bound to Coimbatore from Madras. Ravanan is the only passenger who is travelling with a deceased. One of Ravanan's co-passengers is a mysterious woman named Kalavathy. She takes him off the train to have food at Arakkonam Station and deliberately makes him miss the train, and then she disappears. In the meantime, a wealthy man named Sabapathy is murdered, and Ravanan becomes a prime suspect in that murder. CID Inspector Shankar is assigned the task of nabbing the murderer. He realizes that Ravanan is innocent and commences the investigation. So, he sets out of solving the case with the help of Ravanan and eventually tracks down the murderer.

Soundtrack
The music was composed by T. K. Ramamoorthy and the lyrics were written by Kannadasan.

Release and reception
Neelagiri Express was released on 23 March 1968. Kalki said the story looked like it lacked salt and pepper. Despite this, it was a commercial success.