Listen to Duta Kathaar Kathaa online. Duta Kathaar Kathaa is a Bengali language song and is sung by Ramkumar Chatterjee. Duta Kathaar Kathaa, from the album Ramkumar Chatterjee 4 Pack, was released in the year 2014. The duration of the song is 3:26. Download Bengali songs online from JioSaavn.