Kulamagal Radhai (Tamil: குலமகள் ராதை ) is a 1963 Indian Tamil film, directed by A. P. Nagarajan and produced by Spider Films. The film script as written by A. P. Nagarajan .The film stars Sivaji Ganesan, B. Sarojadevi, Devika and R. S. Manohar in lead roles. The film had musical score by K. V. Mahadevan.