The Trinamool Congress on Monday expressed dissatisfaction with the Election Commission's response on the duplication of voter card numbers, saying the poll panel must accept the error within 24 hours. Addressing a press conference here, TMC Rajya Sabha Parliamentary Party Leader Derek O'Brien said if the EC fails to do it, the party would come out with more documents on the issue on Tuesday morning. O'Brien, along with TMC Rajya Sabha deputy leader Sagarika Ghose and Lok Sabha MP Kirti Azad, displayed lists with details of voter id cards with the same EPIC number, and said most of them were from states ruled by the BJP. "We want only residents of a state to vote in that state. Only voters of Bengal to vote in Bengal... Voters will not be allowed to vote as their votes will be cast by people with identical EPIC numbers," O'Brien said. "These people will be sneaked in from other states to vote. This is unacceptable," he added. Amid reports flagging issuance of identical voter card