Eway bill (intra state)

Suppose A & Co. (Register Dealer) send some Material to B & Co. (Register Dealer) for JOB WORK purpose against challan No. 15, Dt. 03/06/18 whose materials Taxable Value Rs. 160000.00 .

So A & Co. create a WAY BILL (Reason for Transportation- OUTWARD- JOB WORK) and mention in way bill Document No 15 , Date -03/06/18, Value- 1,88,800.00( i.e 1,60,000.00 + GST)

Now questions are-

1) when material return B & Co. after Job work finished to A & Co. then who create WAY BILL B & Co. or A & Co.

2) Suppose B & Co. create a Invoice No.CE/019/18-19 , Dt. 04/06/18 for Labour Charge only Gross Value Rs. (15000.00+ GST=17,700.00 ) against this Job Work purpose so if B & Co. create way Bill then Which Value , Date & Bill Number mention in way Bill . please guide .............