Amendment of sales invoice

Girish (student) (72 Points)

15 December 2021  
can i ammend sales invoice related to may 2020 ( fy 20-21) in December 2021 ( fy 21-22).

if yes what how to process.

if not what is the solution in genuine case.

I have wrongly uploaded gst number in may 20-21. how can I rectify?