Home | Showbiz | Bollywood | In Video: ‘Ek Thi Dayaan’ trailer In Video: ‘Ek Thi Dayaan’ trailer By Raj Baddhan, Senior Editor 09 January 2013 Emraan Hashmi stars in 'Ek Thi Dayaan' Balaji Motion Pictures today unveiled the first official trailer of its upcoming supernatural thriller ‘Ek Thi Dayaan’. The film, which releases on Friday 18th April, stars Emraan Hashmi and Konkona Sen Sharma.