Rectification in GSTR 3B filed

krishna (Student CA IPC / IPCC) (25 Points)

20 June 2020  
sir
my actual sales in april month is Rs 2,25,000. same was correctly taken in gstr 1 but while entering in gstr 3b. one zero is extra enterd i.e 25,00,000 but tax amount was correctly taken

suggest me how to rectify this