B2c amendment

MURALI NADIMINTI (502 Points)

05 September 2019  
last year customer sale invoices were uploaded in GSTR1 under B2Cs. now the customer is ask us to amend the same invoices as B2B since the same invoices were not reflected in GSTR2A.

is it possible to amend the B2c invoices as B2B now,

please advise me further.