Listen to Tumi Nirmal Koro online. Tumi Nirmal Koro is a Bengali language song and is sung by Debjani Mitra and Rajanikanta. Tumi Nirmal Koro, from the album Panchakobir Gaan, was released in the year 2009. The duration of the song is 4:54. Download Bengali songs online from JioSaavn.