E way bill

Above Rs. 50,000  e way bill is must

If value iz more than 50k then it is mandatory

If Invoice Value* exceeds Rs. 50,000*  OR

If a vehicle carries goods against multiple Invoices, then where the aggregate Invoice value* exceed Rs. 50,000 * and move by Motorised conveyance.
So, if either of above points is satisfied, the user should generate e-Way Bill.

Note: states of west Bengal, Delhi, Tamil nadu & Maharashtra had double the threshold for electronic-way (e-way) bill for intra-state movement of goods to Rs 1 lakh. 
Rest of the other states the threshold limit is 50k