Aval

Aval is a 1967 Malayalam film directed by P. M. A. Azeez with Madhu, K. P. Ummer, Adoor Bhasi, Kaduvakulam Antony, Kedamangalam Ali, Krishnankutty, Maya, Meenakumari, Kozhikode Santha Devi and Ushanandini in the star cast. The film is about sexual impotence, divorce and a social system riddled with incestuous relationships. It was the first Malayalam film to be directed by a Film Institute graduate. It also marked the debut of cinematographer Mankada Ravi Varma.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.