GST EWay Bill is not necessary for all the transportation that you make. Here some cases where you do not need the GST EWay Bill.
1) If the mode of transporting the good is a non-motor vehicle
2) The goods that come from custom port, airport, cargo complex
3) Goods that lands in an Inland container depot or container freight station
4) Transportations made under custom supervision
5) Transportation of goods from one customs station to another
6) Transit cargo coming from Nepal or Bhutan
7) Movement of goods under defense supervision
8) Transportation of empty cargo containers
9) Transit of goods from the place of business to the weighbridge along with delivery challan
10) Transportation of goods through rail where the supplier is central/state government
11) Goods that are exempted from the EWay bill in the GST regime