urgent!!! Ammendment in GSTR1

Venkatesh K N (student) (178 Points)

22 May 2018  
Please explain...
In March GSTR1 all bills uploaded to B2C, but I have to show that in B2B...
now How can i show that or ammend in April GSTR1???

Shall i Ammend in B2C and add B2B invoice to older date???