The High Court on Tuesday declared that ‘Joy Bangla’ will be the national slogan of the country.   Justice FRM Nazmul Ahasan and Justice KM Kamrul Kader’s bench made the announcement after a hearing and gave three specific directives to the authorities concerned about the use of ‘Joy Bangla’ slogan.   The HC said ‘Joy Bangla’ will be the national slogan of Bangladesh. It asked the authorities concerned to take necessary steps so that all constitutional post-holders, state officials and staff use ‘Joy Bangla’ after their speeches on national days and other ‘appropriate’ days.   In its third directive, the court said the authorities concerned will take necessary steps so that teachers and students use the slogan after assembly.   The High Court also asked the authorities concerned to submit a progress report to the Registrar General of the Supreme Court on the implementation of its directives within three months.