invoice shown in gstr3b but missed to show in gstr1

tazeem1922@gmail.com (37 Points)

11 August 2018  
I have quaterly gstr 1. In the month of march have shown only invoices of march and forgot to show tha invoices of jan and feb. can i show these invoices in quater of june?
as the financial year changes after march what is the correct way to show that invoices?