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taxgarden
taxgarden

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Tech angle on automating ITR data prep + 26AS/AIS reconciliation.

The slow part of filing an income tax return is not the form, it is making your numbers agree with the tax department's numbers. Form 26AS and the Annual Information Statement (AIS) are effectively the government's view of your income and TDS. If your return disagrees, you get a notice.

So the sane data model treats 26AS/AIS as a source of truth to diff against, not as a reference to glance at. Pull both, normalize each line (deductor, section, amount, period), and reconcile against the taxpayer's own records before a single field of the ITR is populated. Mismatches become a worklist; everything that ties out flows straight through.

Treating filing as a diff-and-resolve pipeline is what makes it repeatable across thousands of returns. The form-selection and deadline context is here: ITR filing guide.

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