Refund of tax

Gagan Kaushik (96 Points)

15 March 2021  
In July 2020, SGST &CGST, both amount paid in the wrong head (in the igst head)
and IGST correctly pay in IGST But SGST & CGST not paid in the CGST &SGST head by mistake pay in IGST head

How to fix it now???