3B vs 1 turnover details mismatched

Meet Shah (ACA) (178 Points)

06 June 2019  
In march 2018 GST return of xyz As per our calculations and as per accou charges total turnover is ₹82,49,670 the same is Shown in GSTR 1 of March 2018 by consultant but in GSTR 3B they have shown ₹8,82,49,670 difference of ₹8cr
And we have paid GST on ₹82,49,670 which is correct..
Tax liability statement of March 2018 as computed by GST also match i.e tax as per 3B & 1 is ₹17,12,340
what to do in this case ???
please reply urgently..