Inward supply invoice not entered in gstr 3b

Asish Kumar Nath (Accountant) (78 Points)

12 May 2018  

Dear Expert,

I have filled GSTR-3B for the month of March-2018 on due date but now on 12th May-2018 one of our supplier has send us Invoice of February-2018 and March-2018 as he has forgot submit the Invoice on time. 

Now, How can I manage the Invoice to record in my books because GSTR-3B has already filled and Financial Year 2017-2018 is also over.

Please advice.