Listen to Billi Mausi Billi Mausi online. Billi Mausi Billi Mausi is a Hindi language song and is sung by Sonam Railhan. Billi Mausi Billi Mausi, from the album Billi Mausi Billi Mausi, was released in the year 2024. The duration of the song is 1:58. Download Hindi songs online from JioSaavn.