Listen to Khwaja Sabse Hasi Hain online. Khwaja Sabse Hasi Hain is a Hindi language song and is sung by Chand Nizami Brothers. Khwaja Sabse Hasi Hain, from the album Mere Khwaja Ko Pukaro, was released in the year 2021. The duration of the song is 15:04. Download Hindi songs online from JioSaavn.