Pulan Visaranai (transl. Investigation) is a 1990 Tamil language action crime film directed by R. K. Selvamani. The film features Vijayakanth in the lead role while Rupini, M. N. Nambiar, Radha Ravi, Anandaraj, and Sarath Kumar play supporting roles. The film, produced by R. Sundar Raj and S. Raveendran, had musical score by Illayaraja and was released on 14 January 1990. The film ran for more than 150 days and it was…