GSTR 3B FILLED WRONG

Pankaj Rana (assistant) (31 Points)

09 September 2019  
Dear Sir,

I have filled GSTR1 in March 2018. With sale of Rs. 7L on time & Deposit GST ON 14th April 18, but by mistake I forget to enter detail in GSTR3B, please suggest what's effect will happen after this mistake.