Gst deposit in B2C instead of B2B

BISWAJIT (service) (179 Points)

22 March 2019  
our company purchase some material from a registered person in the month of May 2018.In Between miscommunication the vendor not mention our Gst no in invoice and submitted returns in b2c. now notice by us and duly communicate to vendor. if it's possible now to ammended or rectify by the vendor and show as a B2B