Listen to National Railway Mazdoor Union - Nrmu online. National Railway Mazdoor Union - Nrmu is a Hindi language song and is sung by Kavikiran Patil and Chitral Patil. National Railway Mazdoor Union - Nrmu, from the album National Railway Mazdoor Union - Nrmu, was released in the year 2024. The duration of the song is 4:04. Download Hindi songs online from JioSaavn.