Emraan Hashmi's next film with Balaji Motion Pictures and Vishal Bhardwaj Productions was going to be named Daayan or Ek Thi Daayan. Debutant director Kannan Iyer, finally decided that the film will be called Ek Thi Daayan.
Though Ekta Kapoor felt Daayan was a good title she agreed to go ahead with Ek Thi Daayan as that was prefered by Vishal Bhardwaj.
The film also stars Konkana Sen, Kalki and Huma Qureshi in pivotal roles apart from Emraan Hashmi. Director Kannan Iyer has already completed the first schedule of the film which is a supernatural psychological thriller. The second schedule for the film is on.