BY MISTAKE IN F.Y. 2018-19 B2B INVOICE TREATED AS B2C. HOW TO SOLVE THE PROBLEM

BY MISTAKE IN F.Y. 2018-19 B2B INVOICE TREATED AS B2C. HOW TO SOLVE THE PROBLEM

The customer is not able to avail the ITC as by mistake the invoice is uploaded as B2C instead of B2B return is uploaded. annual return is also filled and the same is treated as B2C instead of B2B.

Sir, I request you to kindly guide me how to solve the problem.