TDS, Form 16 & Form 26AS: How to Track and Fix Your Income Tax Refund

Every filing season, the same complaints trend online: “my TDS isn’t showing up” and “my refund is delayed.” Both usually come down to the same three documents not matching up. Here is how Form 16, Form 26AS and the AIS fit together — and what to do when they don’t.

Form 16 vs Form 26AS vs AIS — what’s the difference

• Form 16: issued by your employer only, as proof of the TDS deducted from your salary (Section 392 under the new Income-tax Act, 2025 — Section 192 previously). By law it must be issued by 15 June following the financial year.
• Form 26AS: your consolidated tax credit statement on the income-tax portal — every TDS/TCS deducted against your PAN, advance tax paid, and refunds issued, from all deductors, not just your employer.
• AIS (Annual Information Statement): a much wider financial summary — interest, dividends, mutual fund and share transactions, foreign remittances and more, pulled from banks, registrars and other reporting entities.

When you file, the portal reads your prepaid taxes largely from Form 26AS — so if TDS deducted from your salary or FD interest doesn’t appear there, your return won’t give you credit for it, even if the deductor genuinely withheld the tax.

Why TDS sometimes doesn’t show up

• The deductor quoted your PAN incorrectly in their TDS return
• TDS was deducted but the deductor hasn’t yet filed or has delayed their TDS return
• A quarter-end filing lag — recently deducted TDS can take weeks to reflect
• TDS was deducted but never actually deposited with the government

How your refund is actually calculated

Refund = total TDS + TCS + advance tax already paid, minus your final tax liability computed on the return. If what you’ve prepaid is more than you owe, the difference comes back to you; if it’s less, that’s the tax payable you must pay before filing.

Why refunds get delayed

• Your bank account isn’t pre-validated on the e-filing portal
• A mismatch between your return and Form 26AS/AIS flags it for extra scrutiny
• The return itself is defective or incomplete (see Section 139(9) notices)
• Simple processing backlog during peak filing weeks

How to check your refund status

Log in to the income-tax e-filing portal → e-File → Income Tax Returns → View Filed Returns, and the refund status is shown against the relevant assessment year — issued, under process, or a reason for failure if a payment attempt bounced.

Use our TDS Calculator to estimate what should be deducted on your salary, FD interest, rent or professional fees, or have a CA reconcile your 26AS and AIS before you file — the fastest way to avoid a delayed refund entirely.