Former president of India and veteran Congressman, Pranab Mukherjee passed away on Monday after a prolonged illness. He had been in a deep state of comatose owing to complications following a lifesaving surgery. The Army Hospital in Delhi cantonment where Mukherjee was undergoing treatment had issued a statement earlier on Monday saying he was in septic shock due to a lung infection. Union Minister Mukhtar Abbas Naqvi mourned the demise of Bharat Ratna Pranab Mukherjee during a the conversation with Aaj Tak. Watch video.