Missed b2b invoice of sept'17 in gstr3b & gstr1

Narender Yadav (Accounts Manager) (65 Points)

31 May 2018  

Dear Team,

Forget 01 B2B invoice of Sept'17 in GSTR3B & GSTR1, Now financial year also closed,

Pls advice about further action

or Shall I pay my liablity? What will be interest on on GST.

Thanks