Anita Bande son (1967) BO

Wealthy Anita and office-worker Neeraj almost elope, but her father interrupts the wedding. Neeraj tries to contact Anita, but finds that she is now engaged to Anil Sharma. Later, a heartbroken Neeraj reads in the newspaper that Anita has committed suicide. He tries to find the truth behind her death. From various people he learns different stories about Anita's past: she had multiple personalities or she was a morally-loose woman. All this goes against the Anita he knew and loved. And then, he sees her again. Is she a ghost, is Neeraj losing his mind, or is there something sinister afoot?