How to refile income tax with correction post Dec deadline

This query is : Resolved

Adhyayan Negandhi (Querist)
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18 February 2024 hello!

In my case, have filed Income Tax with advance tax paid. After filing was processed a demand was raised against Advanced tax not paid. I raised a grievance in income tax portal with details of advance tax payment. They responded acknowledging the payment was there but in filing there is a small error in the amount quoted (Rs 30 less in the filing vs actually paid) hence credit of that advanced tax payment was not given.
The solution they gave was to refile with the correct amount in the filing.
Problem: the time to refile with rectification is Dec. we got the directions too late for dec filing and missed the refiling deadline.

Can anyone help with what I should do next? I have raised multiple more grievances asking Income tax department how to proceed but to no response.
Is there a way to refile with rectification post dec? or is there anyway for me to ask them to give the credit for th advance tax paid already?

Thank you in advance!