Pulan Visaranai

Pulan Visaranai
DVD Cover
Directed by	R. K. Selvamani
Produced by	R. Sundar Raj S. Raveendran
Written by	R. K. Selvamani Liquat Ali Khan (dialogues)
Starring	Vijayakanth Rupini M. N. Nambiar Radha Ravi Anandaraj Sarath Kumar Senthil
Music by	Ilaiyaraaja
Cinematography	Ravi Yadav
Edited by	G. Jayachandran
Production company	I.V. Cine Productions
Distributed by	I.V. Cine Productions
Release date	14 January 1990
Running time	150 minutes
Country	India
Language	Tamil

Pulan Visaranai (English: Investigation) is a 1990 Tamil language film directed by R. K. Selvamani. The film features Vijayakanth in lead role. The film, produced by R. Sundar Raj and S. Raveendran, had musical score by Illayaraja and was released on 14 January 1990. The film was a blockbuster and was considered to be one of the best crime thrillers of its time. It was remade in Hindi as Ravan Raaj: A True Story. The character of the antagonist Dharma (played by Anandaraj) is loosely based on the serial killer Auto Shankar. Telugu dubbed version Police Adhikari was also successful.

Dharma (Anandaraj) is an auto driver who kidnaps young women and is on the payroll of a powerful politician R.R (Radha Ravi). "Honest" Raj (Vijayakanth), a DCP investigating the murder of an MLA, zeroes in on R.R but is suspended by his higher-ups due to political pressure.

Few years later, he is brought back when Governor's rule is established and given charge of the investigation into the disappearance of a man whose sister had earlier disappeared. His investigation leads him to Dharma and R.R and then to a private hospital in Bombay.

R. K. Selvamani, an erstwhile assistant of Manivannan decided to make a film with Sathyaraj. But Sathyaraj was not interested to act under the direction of a newcomer but he promised that he would act only if Selvamani establishes himself as a director. Selvamani decided to narrate a storyline to Vijayakanth. Vijayakanth insisted to narrate the story to his friend producer Ibrahim Rowther, but Rowther said that Vijayakanth was booked for 2 years. Selvamani with the help of his friend Jothi decided to narrate the story through drawn pictures by having Hollywood films as reference. Selvamani led many rules and conditions which led to the cancellment of shooting for 6 months, with the help of Manivannan shooting was continued. Sarathkumar portrayed the antagonist character after he was recommended to the film's team by Vijayakanth's personal make-up man Raju.