Cancellation of invoice

CA Rashmi choudhary (Employee) (94 Points)

23 February 2018  

In september GSTR-1 I have filed two bills of outward supply to registered dealer and paid tax accordingly but in actual there was no any movement of goods. Now I want to cancel these invoice in Janurary retrun ie GSTR 3B.

 

What is the way to rectify this error suggest me??