Listen to Kocha Letayi Chhani online. Kocha Letayi Chhani is a Maithili language song and is sung by Vinay Singh and Archana. Kocha Letayi Chhani, from the album Pardeshiya, was released in the year 2009. The duration of the song is 6:01. Download Maithili songs online from JioSaavn.