Yes, you can file an updated Income Tax Return (ITR-U) to reduce your originally claimed refund. This is possible from April 1st, 2023, for the Assessment Year 2022-23. The net tax payable on the ITR-U will be your total tax liability minus the tax paid in the original return, which includes advance tax and TDS, less any refund claimed.
31 December 2022
Net Tax payable (under ITR U) will be total tax liability less tax paid by original return (multiply by penalty) Here tax paid by original return will be total of advance tax plus TDS less refund, if any.