Hanthakana Sanchu is a 1980 Indian Kannada-language film, directed by B. Krishan and produced by K. S. Jagannath.
[1][2] The protagonist Dr. Murali who is treating Mamata, gets acquainted to her sister Anita, through George her husband.
Meanwhile, Anita becomes pregnant and differences start cropping up between them, when Murali is not ready to tell his parents about his marriage.
In the meantime Aparna gets to know about Murli's secret marriage, while visiting him at his place.
How Murli finds Anita's real killer forms the climax of the movie.