Kohraa The Fog is a 1964 Indian thriller horror film directed by Biren Nag, starring Waheeda Rehman, Biswajeet and Lalita Pawar. The film was adapted from Daphne du Mauriers 1938 novel, Rebecca, which was previously adapted by Alfred Hitchcock as Academy Awardwinning Rebecca 1940 though some supernatural elements were added to it. This version is famous for its twist ending which alters significantly from the original novel.
The film was second directorial venture of Biren Nag after hit film, Bees Saal Baad 1962, who had been art director of Guru Dutt productions like Chaudhvin Ka Chand 1960, Sahib Bibi Aur Ghulam 1962 and CID 1956. The role Poonam was played by AngloIndian actress, who did small roles in film, Thelma.The scene of the first wifes room, an all white set was built at Rajkamal Kalamandir in Mumbai. The song, Yeh Nayan Dare Dare was filming on winding road to Mahabaleshwar, a hill station in Maharashtra. ........
Source: Wikipedia