Gstr 3b missed invoice

Ravishankar Jayaramamurthy (Trader) (27 Points)

19 June 2019  

Hi, can somebody help me on this?
How to file a missed b2b sale bill dated on "April 2019" in GSTR 3b?
I have opted for quarterly filing, is it possible to file it on  (June 2019) 's GSTR 3b and GSTR 1 as well?
Will I be levied any charges on this?

Thanks smiley