Renowned classical singer Pandit Arun Bhaduri passed away in Kolkata today after a prolonged illness. He was 75 and survived by wife and son. Pandit Bhaduri, considered to be one of the masters of Bengali songs and Bhajans, was suffering from chronic obstructive pulmonary disease and other respiratory ailments for quite some time past. West Bengal Chief Minister Mamata Banerjee has expressed grief over the demise of Pandit Bhaduri.