Listen to Tumi Nirmala Karo online. Tumi Nirmala Karo is an Assamese language song and is sung by Nishith Sadhu and Rajanikanta Sen. Tumi Nirmala Karo, from the album Rajanikanter Gaan, was released in the year 2015. The duration of the song is 4:04. Download Assamese songs online from JioSaavn.