Kaa

Kaa is a 1965 Odia film directed by Siddhartha, which is a pseudonym for Gour Prasad Ghose, Parbati Ghose, & Ram Chandra Thakur. The film is based on Kanhu Charan Mohanty's award-winning literary masterpiece in the same name. The Film glorifies the story of a barren woman, who induced her husband to marry another woman for the sake of the birth of a child.

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