ITC claimed under wrong head

Siddhant Ladia (Accountant) (49 Points)

22 August 2020  
Can anyone guide me on the below GST issue.

I had ITC under CGST and SGST of Rs. 1000 each. But while filing GSTR 3B the ITC was claimed under IGST column stating Rs. 2000. The Gst return was filed and adjustments were made.

Now how can I make the correction in the current months return.