Kathai Kathaiyam Karanamam

Kathai Kathaiyam Karanamam is a 1987 Indian Tamil-language film written and directed by Y. G. Mahendran. It is based on the play [Im]perfect Murder by P. V. Y. Raman. The film stars Jaishankar, Rajeev, Mahendran and Pallavi. It was released on 18 September 1987.

Production
Kathai Kathaiyam Karanamam is based on the English-language play [Im]perfect Murder, written by P. V. Y. Raman and staged by United Amateur Artistes. The dialogues for the film adaptation were written by Chithralaya Gopu.

Soundtrack
The music was composed by M. S. Viswanathan. The album was released under the label AVM Music.

Release and reception
A preview of Kathai Kathaiyam Karanamam was held on 10 September 1987. The film was released in theatres on 18 September, by Mangaadu Amman Films. BR of The Indian Express appreciated Mahendran's direction, Viswanathan's music and Babu's cinematography, but felt Jaishankar was "wooden more often than not, melodramatic otherwise".