UNB, Dhaka :Mayor of Dhaka North City Corporation (DNCC) Annisul Huq on Thursday urged the government to take necessary steps to stop plying of unfit vehicles in Dhaka city and port city Chittagong.”Take steps to stop plying of unfit buses and trucks…you (the authoritiesconcerned) should decide how many buses and trucks would be allowed to run in the country,” he told a discussion.Bangladesh Chamber of Industries organised the discussion on ‘Prospects and Challenges of Investment in Industries’ at Sonargaon Hotel in the capital on Thursday.