Abhishek Banerjee , nephew of the chief minister had said : " The Mamata Banerjee government , by killing him , has proved that in days to come , people will have the final word . " Communist Party of India-Maoist leader Koteswar Rao alias Kishenji was killed on November 24 , 2011 in a gun battle in West Midnapore district near the Bengal-Jharkhand border .