Kasturi (1978)

Kasturi is a lecturer who is torn between her love and duty for her husband, and his best friend Atish who loves her. In a strange mix up of coincidence or superstitions Kasturi's husband dies and afterr a while she decides to join Atish, but isn't sure whether his love for her is carnal or ethereal. Kasturi learns about Atish's ethereal love for her and decides to live with him in his forest home, which is dominated by a rare bird, which enters the story in a parallel while Kasturi joins her lover.