Irulum Oliyum (Eng: The Darkness and the Light) is a 1971 Indian Tamil-language film, directed and co-written by Puttanna Kanagal. A remake of his own Kannada film Kappu Bilupu (1969), it stars Vanisri in dual roles with A. V. M. Rajan and R. Muthuraman.
The film revolves around two look-alike cousin sisters who switch places for a few days to escape from their respective problems. It was released on 10 September 1971 and became a commercial success.
Directed by – Puttanna Kanagal
Screenplay by – Puttanna Kanagal & Vietnam Veedu Sundaram
Story by – Aryamba Pattabhi
Produced by – G. S. Mani, N. Nagasubramaniam & M. V. M. Azhagappa
Starring – R Muthuraman, Vanisri, A. V. M. Rajan
Cinematography – S. Maruti Rao
Edited by – M. Umanath
Music by – K. V. Mahadevan
Production – Producers Combines
Release date – 10 September 1971
Running time – 141 minutes
Country – India
Language – Tamil
