Before elections, the demand for a separate state or Union Territory status for Cooch Behar suddenly gains currency. This time too thousands blocked railway tracks for four days, disrupting trains to the Northeast. Cooch Behar royals merged their estate in 1949 but the Koch-Rajbangshis, who insist on a separate ethnicity, local to Kamtapur (parts of Bangladesh and Assam), have kept using it as a bargaining chip.