National 0SYLHET: Cold wave with foggy weather hampering Boro cultivation in Sylhet. This snap was taken from Osmani Biman Bandar area on Monday. 29 Jan 2020, 12:00 am0SYLHET: Cold wave with foggy weather hampering Boro cultivation in Sylhet. This snap was taken from Osmani Biman Bandar area on Monday. Banglar Chokh admin