On 23 October 2013, Vishesh Films and Fox Star Studios extended their association and announced a three-film deal, City Lights, Hamari Adhuri Kahani and Mr. X [REF].
The leading cast of Emraan Hashmi and Vidya Balan was finalised on 23 October 2013,[REF] marking their third collaboration after The Dirty Picture (2011) and Ghanchakkar (2013) [REF].