My duty) is a 1964 Indian Tamil-language action thriller film, produced and directed by M. Natesan, and written by Ma.

His eldest son enters into a love marriage with a poor teacher's daughter, Kamala.

Nathan, a police inspector, gives Kamala shelter in his house and decides to help her fight her case for the property.

Now, Nathan is in a dilemma over whether he should protect Shankar as he is his sister's sweetheart, or drop the case because he loves Dharmalingam's daughter.

[4] T. M. Ramachandran of Sport and Pastime panned the film, calling the music its "saving grace".