Sales not shown in Gstr 3B in the month of Nov.17

Ritesh Agrawal (53 Points)

21 January 2018  
Dear Sir
Please give me suggestion that if I have not shown some bills sales & purchase in the month of Nov.17 & filed 3B & also Gstr1, now what sud I do. Both the sales & purchase are interstate.
Now can we show sales & purchase in 3B in the month of Dec. 17 3B.
Please give ur suggestion.