Eway bill for multiple Export containers

) Supplier shall issue the complete invoice before dispatch of the first 
consignment; 
(b) Supplier shall issue a delivery challan for each of the subsequent
consignments, giving reference of the invoice; 
(c) each consignment shall be accompanied by copies of the corresponding 
delivery challan along with a duly certified copy of the invoice; and 
(d) Original copy of the invoice shall be sent along with the last consignment 
Please note that multiple EWBs are required to be generated in this situation. 
That is, the EWB has to be generated for each consignment based on the 
delivery challan details along with the corresponding vehicle number

I am asking w.r.t Export shipment