Kolkata: The performance of party workers in effective implementation of 'Didi Ke Bolo' (Tell Didi) will be a yardstick for selection of TMC candidates in the civic polls in West Bengal to be held next year, party sources said. Speaking to PTI on condition of anonymity, TMC sources said the 'Didi Ke Bolo' initiative and the survey results will act as a filter in the exercise of selecting candidates and weeding out the undeserving aspirants. "The third phase of Didi Ke Bolo began early this week. The 'Didi Ke Bolo' initiative is a brainchild of Kishor. Close to 500 senior TMC leaders and MLAs had conducted outreach programmes in 1,022 villages in the first phase of the initiative..