Blood affection) is a 1980 Indian Tamil-language action drama film directed by K. Vijayan and Sivaji Ganesan.

The film was produced by Santhi Narayanasamy and T. Manohar, and stars Ganesan, Sripriya, M. N. Nambiar and Major Sundarrajan.

In India, the younger son,Sivaji, is a police officer who arrests three notorious criminals (played by Nambiar, Mohan Babu and Manohar).

Jayachitra, unaware that her benefactor overseas is Raja, befriends his manager Jai Ganesh who has a son but is divorced and marries him with Elder Sivaji's blessings.

[3] Due to director Vijayan being unable to complete more than half of the film, Ganesan took over direction of the remaining portions.