There was a shelved film "Aksar" (1984). Starring Jeetendra Leena Chandarvarkar. Directed by Gulzar. It was a murder mystery based on the film Rebecca. just like Anamika.
Shashi Kapoor's Naina and Dino Morea's Anamika were based on the same story.
(1982) Sultan Ahmed wanted to remake the film "Rebecca" with Rajesh Khanna and Rameshwari. After getting their dates the project was called off.
The film Dak Bangla (1987) was originally titled Kohra.