Debite Note in 2B ?

Hi sir

my query Related to Debite and credit note.

I have received some Debit notes in 2B ..so in my books that is credit note ..and I have filled GSTR-1 before 10 of July ...I have received debit notes ...on 14th July from creditor ...then how to rectify ..??
with out giving credit note from my Book
how would he give Debite note that is my doubt sir ...???
....and how pass that entry in tally ... please suggest me


thanks in Advance .....

Madhu M