Explanation:

After the phytosanitary certificate, it will be known as 'Lychee of Bihar', Phytosanitary certificate is necessary for the export of any agricultural product. The phytosanitary certificate determines whether the agricultural product being exported is good for the health of the people of country or not, there should not be any harmful insect-bacteria etc. The Department of Agriculture did not yet have this right because of this reason agricultural products of Bihar were being exported as products of Bengal or Maharashtra. After receiving this certificate, 500 kg Shahil litchi of Muzaffarpur was sent to London.