E-way Bill is an Electronic Way Bill for the movement of goods from one place to another which is to be generated on the E-way bill portal i.e. on ewaybillgst.gov.in. If the value of goods exceeds ₹ 50,000 a GST registered person cannot transport goods in a vehicle without an E way Bill. When an E way bill is generated, a unique E way Bill Number (EBN) is allocated and is available to the supplier, recipient, and transporter.
Source Taxguru