Listen to Dekha Maine Ek Sapna online. Dekha Maine Ek Sapna is a Hindi language song and is sung by Kumar Sanu and Lata Mangeshkar. Dekha Maine Ek Sapna, from the album Police Wala Gunda, was released in the year 1995. The duration of the song is 5:42. Download Hindi songs online from JioSaavn.