Woh Koi Aur Hoga (1967)

Gopal is a young man who visits and stays at a hotel where he encounters a ghost named Seema, who on several occasions had disappeared and haunts him every night. One night he follows her path an ends up in a haweli where he is laughed at and injured by a ghost. Next day he is at his hotel where he meets Seema whom he provides help to solve the mystery of her death. Gopal finds clues about a suspicious professor which leads him into a mysterious journey