Wrongly paid gst

mahipal m. chande (ca) (216 Points)

10 December 2018  

one of my client has paid igst instead of cgst  for one invoice of fy 17-18 and one invoice of fy 18-19.

gst returns 3b and gstr 1 already filed for both cases.

client has liabilities for all the three taxes i.e cgst sgst and igst every month

what is the remedy available?