Iravum Pagalum (Eng: Night and Day) is a 1965 Indian Tamil-language thriller film directed by Joseph Thaliath Jr. The film stars newcomers Jaishankar and C. Vasantha in the lead roles.
Rajasekar is a well-to-do college student who lives with his widowed mother Maragadhavalli and leads a happy-go-lucky life; he is in love with Parimala, his classmate. One night the family is robbed of all its wealth by a gang and Maragadhavalli prevents Rajasekar from reporting it to the police. Realising that there is some mystery behind it, he sets out to unravel it. In disguise, Rajasekar infiltrates a gang of smugglers and robbers and unravels the mystery.
Directed by Joseph Thaliath Jr.
Produced by Joseph Thomas
Story by T. N. Baalu
Starring Jaishankar, C. Vasantha, S.A. Ashokan, Ganthimathi, Pandari Bai
Music by T. R. Pappa
Cinematography B. B. Lucas
Edited by P. Radhakrishnan & M. Vellaisaamy
Production Citadel Films
Release date 14 January 1965