GST not mentioned Sales invoice

Narendra Wod (5 Points)

20 April 2023  

Dear All,

Good Afternoon!!

We are an company who doing digital marketing for other company product. we post advertise on online shipping site and consumer book the product from online and make payment and we send them order details without GST. then concern company store courier the product to consumer then that company send us purchase bill in our name with GST.

Now scenario, Purchase bill received with GST and sales details without GST.

Could anyone suggest me that how should file GSTR1 and GSTR3B??

Kindly suggest. Thank you