ITR Filing 2026: Key Mistakes That Can Trigger Tax Notices and Delay Refunds

As the income tax return (ITR) filing process for Assessment Year (AY) 2026–27 gains momentum, tax experts and authorities are urging individuals to exercise caution when submitting their financial details. Ensuring the accuracy of a return has become increasingly paramount, as errors during the filing stage are leading to defective return notices, strict system scrutiny, and significant delays in the issuance of tax refunds.