Listen to Ek Din Aap (From "Yes Boss") online. Ek Din Aap (From "Yes Boss") is a Hindi language song and is sung by Kumar Sanu and Alka Yagnik. Ek Din Aap (From "Yes Boss"), from the album Bahut Pyar Karte Hai - Bollywood Romantic Songs, was released in the year 2016. The duration of the song is 4:26. Download Hindi songs online from JioSaavn.