Tax Refund Calculator

What Is an Income Tax Refund in India?

Per the Income Tax Act, 1961, Section 237 entitles every taxpayer to a refund if their total tax payment exceeds the assessed tax for that year. The refund is processed by the Centralised Processing Centre (CPC) in Bengaluru after your ITR is filed and verified.

The most common reason for a refund is excess TDS: employers deduct TDS based on projected annual income, and if your actual deductions (80C, 80D, HRA) turn out to be higher than declared at the start of the year, the final liability is lower than the TDS deducted, resulting in a refund.

Tax Refund Calculation Formula

The refund calculation has three components: your tax liability (computed from taxable income after deductions), the TDS deducted by your employer, and any advance tax you paid.

A positive result means a refund is due. A negative result means you owe additional tax (balance self-assessment tax) before filing your ITR.

New Regime vs Old Regime: Which Gives a Better Refund?

The new tax regime gives a better refund when your deductions are limited, because the slabs are lower and the Section 87A rebate covers income up to Rs 12 lakh. The old regime wins when your deductions are large enough to pull your taxable income into a significantly lower slab.

Income Tax Slabs for FY 2025-26

For FY 2025-26 (AY 2026-27), the Income Tax Department maintains two parallel slab structures. The new regime is the default for individuals who do not opt otherwise. Per the Finance Act 2025, the Section 87A rebate under the new regime was increased to Rs 60,000 for taxable income up to Rs 12 lakh.

Section 80C, 80D, and Other Deductions That Maximize Your Refund

Under the old tax regime, deductions directly reduce taxable income. Every rupee of deduction at the 30% slab saves 31.2 paise in tax (including 4% cess). These are the major deductions available:

Use the Section 80C Calculator to see exactly how much tax each investment type saves. For health insurance deductions, the Section 80D Calculator breaks down the limit for self, family, and parents separately.

TDS on Salary: How Form 16 Determines Your Refund

TDS on salary is governed by Section 192 of the Income Tax Act. Your employer estimates your annual tax at the beginning of each financial year based on your projected salary and declared investments. This estimated tax is divided by 12 and deducted monthly from your salary.

Form 16 Part A contains the quarterly TDS deposit receipts as certified by TRACES (TDS Reconciliation Analysis and Correction Enabling System). Part B contains the salary breakdown and deductions as computed by your employer. The TDS figure from Form 16 Part A is what you enter in this calculator to find your refund.

If your employer under-declared your investments (because you did not submit proof of investment on time), the TDS deducted will be higher than necessary. You claim all eligible deductions in your ITR, and the difference becomes your refund.

When Is Income Tax Refund Credited? Timeline and Process

The Income Tax Department processes about 93% of electronically verified ITRs within 30 to 60 days, per CPC Bengaluru data. Refunds are credited directly to the pre-validated bank account linked to your PAN on the e-filing portal at incometax.gov.in.

How to Check Income Tax Refund Status

Refund status is available directly on the Income Tax e-filing portal at incometax.gov.in without any third-party site. Log in with your PAN and password, navigate to "e-file," then "Income Tax Returns," and select "View Filed Returns" to see the current processing status for each assessment year.

The NSDL refund status tracker at tin.tin.nsdl.com also shows refund status for returns processed at the CPC. You need your PAN and the assessment year. If the status shows "Refund Failure," it typically means your bank account details are incorrect or the account is not pre-validated. Log in to the e-filing portal, go to "My Profile," and update or pre-validate your bank account immediately.

Common Reasons Your Tax Refund Is Delayed or Rejected

Most refund delays are caused by one of four avoidable issues:

1. Bank account not pre-validated: The Income Tax Department can only credit refunds to a bank account that is pre-validated on the e-filing portal with your PAN and account number. A savings account that exists but is not pre-validated will cause a refund failure.
2. Outstanding demand from a prior year: If you have an unpaid tax demand from any previous assessment year, the Income Tax Department will set it off against your current refund before releasing the balance. Check "Outstanding Demand" on the e-filing portal.
3. Mismatch between Form 26AS and ITR: If the TDS you claimed in your ITR does not match the TDS credits shown in Form 26AS (the tax credit statement), the CPC will flag a mismatch and delay processing. Always verify Form 26AS before filing.
4. Defect notice or incomplete ITR: If your ITR is filed with incomplete information or in the wrong form, the CPC sends a defect notice under Section 139(9). You have 15 days to correct the defect. Ignoring the notice causes the return to be treated as invalid, and the refund is withheld.

How to Use This Tax Refund Calculator

1. Enter your gross annual salary: Use the slider or click the value to type your CTC or gross salary before any deductions.
2. Select new or old regime: The tabs at the top of the calculator switch between regimes. Standard deduction is auto-applied based on your selection.
3. Add deductions (old regime): Click "Add deductions" to enter Section 80C, 80D, HRA exemption, home loan interest, NPS, and other deductions. These are not available under the new regime.
4. Enter TDS and advance tax paid: Enter the TDS figure from Form 16 Part A and any advance tax you paid during the year. The calculator shows your refund or balance due instantly.
5. Compare regimes: Switch between the new and old regime tabs to see which gives a better outcome for your specific income and deductions.

Frequently Asked Questions