Send the following on WhatsApp
Continue to ChatCheck out this awesome website: https://fid.gov.bd/site/page/f34adf79-c3e5-4ba7-99a7-9bfa54ead202/bfid.portal.gov.bd/sites/default/files/files/bfid.portal.gov.bd/page/cdad39a3_e3f6_4981_a200_bcfba207668f/BNF.pdf