My sister Kalyani) is a 1988 Indian Tamil-language film written, directed and produced by T. Rajendar.

The film featured Rajendar's real life children including his son Silambarasan.

[2] A man deserts his wife and his two children, Velu and Kalyani, to live with his concubine.

He sends her to college, but she falls in love with her co-student Kannan against the wishes of her brother and mother.

Months later, Velu finds out that his sister is ill-treated by Kannan, who is now living with a dancer.

Kalyani becomes pregnant, and her mother meets her secretly without her son's knowledge.

He confronts her and she, with the help of her men, beats him and forces him to sign the stamp paper, thereby getting hold of all his property and kicks him out of the home.