GSTR1 wrongly submitted

You can add these details in March's return.

Yes you can add all sort of turnover in march

You can add Both B2B and B2CS in March, But in GSTR3B you need to show in Feb and pay the liability in Feb itself. 

add details in march all feb transaction will be treated for 1st march

Sir,

What if we filed gstr-1 with 4digit HSN code instead of 6digit hsn code.

When t.o above 5cr

Please guide what ramediy can be done.

Sir, I've entered the total amount including the GST in the B2C instead of the taxable value and submitted it. Is there any way to rectify this? 

Please reply it's urgent 

@ Karthik Raja

Rectify it in next return through amendment b2c