Listen to Nishiddha Istehar online. Nishiddha Istehar is a Bengali language song and is sung by Suman Chatterjee. Nishiddha Istehar, from the album Suman Chattopadhyay - Nishiddha Istehar, was released in the year 1998. The duration of the song is 3:59. Download Bengali songs online from JioSaavn.