Ek Thi Daayan (Hindi: एक थी डायन; English translation: Once there was a Witch) is a 2013 Indian supernatural thriller film directed by Kannan Iyer, adapted from the short story Mobius Trips by Mukul Sharma. The film stars Emraan Hashmi, Huma Qureshi, Konkona Sen Sharma and Kalki Koechlin. The film is co-produced by Ekta Kapoor, Shobha Kapoor, Vishal Bhardwaj and Rekha Bhardwaj. It was released on 19 April 2013 to positive reviews from critics and decent box-office collections.