Poonam Ki Raat (1965)
Prakash Gupta is accompanying his friend Chandan to his hometown, where Chandan's father is ailing. Just before entering town, Prakash hears from villagers that Lala Baijnath, Chandan's father, murdered a young girl Rani, whose ghost roams in the bungalow. He is curious. When he enters the house, he meets Jyoti, Chandan's younger sister, with whom he falls in love immediately.
In the night there are whispering and moaning sounds of a girl. Nandini, Chandan's other sister is equally beautiful. The mystery deepens when the Lala Baijnath's nurse is murdered. There are too many characters under suspicion- the smart family doctor, the silent Chandan himself, the complaining mother, the calculating elder brother, the scheming sister in law, the widowed sister, her temperamental son or any of the many servants in the hous.