National 0 1 min readDINAJPUR: A ‘mangol shovayatra’ was brought out by Birganj Upazila Administration marking the Pahela Baishakh on Tuesday. 16 Apr 2015, 12:00 am0DINAJPUR: A 'mangol shovayatra' was brought out by Birganj Upazila Administration marking the Pahela Baishakh on Tuesday. admin .