ASESSEE PAID GST AND SUBMITTED GSTR-3B AND GSTR-1 FOR THE Q. E. SEPT, 2019. LATER CAME TO KNOW THAT GSTR-1 HAS BEEN WRONGLY FILED IN FAVOUR OF ANOTHER ASESSEE.. FILED AMENDEMEND OF GSTR-1 FOR THE Q.E 31.12.2020. HIS CUSTOMER IS OF THE OPNION THAT THEY HAVE NOT AVAILED THE ITC SINCE AMENDEMEND NOT FILED BEFORE 30.09.2020. THE CUSTOMER THEREOFORE RECOVERED THE GST FROM OTHER BILL WITH INTEREEST. FROM THE ASSESSEE.
ASSESSEE HAS TO PAY GST TWICE ONE TO THE DEPARTMENT AND ALSO TO THE CUSTOMER.AGAINST A SAME INVOICE.
CAN THE ASSESSEE CLAIM GST FROM THE GST AUTHORITY AND HOW ?