TDS processed with short deduction default

I purchased a builder from on 27th August 2026. 
As property value is greater than 50 Lakhs I had to deduct 1% TDS.

Later I received intimation notice saying I have done TDS short deduction because seller PAN card is valid but inoperative (not linked to Aadhaar) and I had to deduct 20%.

I reached out to seller they got the Aadhaar linked to PAN on 2nd September 2026.

What are my options now, how to get it rectified?
Is raising grivience enough to nullify the demand?