How to check ITR refund status?   

Go to the official website of Income Tax Department at incometax.gov.in/iec/foportal/

Press the Income Tax Return (ITR) Status link in the Quick Links section.

Later press the “Check Refund Status” option followed by redirection to the new page.

On the new page, press your Permanent Account Number (PAN) and select the Assessment Year (AY) of your ITR filing.

Both of these details can be found on your income tax return acknowledgment receipt.

Press the Captcha code shown on the screen for verification.

At last, press the “Submit” or “Check Status” button to view the status.