Listen to Kathasu Aayi Rail online. Kathasu Aayi Rail is a Rajasthani language song and is sung by Monika Mali and Prakash Dewasi. Kathasu Aayi Rail, from the album Kathasu Aayi Rail, was released in the year 2023. The duration of the song is 6:36. Download Rajasthani songs online from JioSaavn.