Taxation of Interest Income: Savings & FDs (2026 Guide)

Introduction

Many taxpayers believe that if their bank hasn't deducted TDS (Tax Deducted at Source), their interest income is tax-free. This is a dangerous misconception. Under the Income Tax Act 2025, almost all forms of interest—from your humble savings account to your safety-net FDs—are taxable under the head "Income from Other Sources."

While the tax department has simplified many rules for AY 2026-27, they have also intensified data reporting. Banks now report every single rupee of interest earned to your AIS (Annual Information Statement). This guide clarifies the exemptions you are entitled to and the traps you should avoid.

Legal Reference

Relevant Law: Section 80TTA: Deduction for savings account interest (Non-Seniors). Section 80TTB: Deduction for all interest income (Senior Citizens). Section 194A: TDS rules for interest other than interest on securities. Income Tax Act 2025: Current thresholds for 2026 compliance.

1. Savings Account Interest: The 80TTA Shield

The interest earned on your bank or post office savings account is not taxed up to a certain limit.

• Deduction: Up to ₹10,000 under Section 80TTA.
• Who can claim: Individuals and HUFs (other than Senior Citizens).
• Scope: Includes savings accounts in banks, cooperative banks, and post offices. It does not include interest from Fixed Deposits (FDs) or Recurring Deposits (RDs).

2. The Senior Citizen Advantage: Section 80TTB

Taxpayers aged 60 and above enjoy a much wider and higher deduction to protect their retirement income.

• Deduction: Up to ₹50,000 under Section 80TTB.
• Scope: Unlike 80TTA, this covers all types of interest, including:
  • Savings Account Interest
  • Bank Fixed Deposits (FDs)
  • Recurring Deposits (RDs)
  • Post Office Deposits
• Note: If a senior citizen claims 80TTB, they cannot claim 80TTA.

3. Fixed & Recurring Deposits: The TDS Threshold

Banks are mandated to deduct tax (TDS) if your total interest across all branches of that bank exceeds a specific limit:

[!IMPORTANT] If you are a Senior Citizen and your total income is below the taxable limit (₹4 Lakh), you should submit Form 15H to the bank. Non-seniors should submit Form 15G. This prevents the bank from cutting TDS, saving you the hassle of waiting for a refund.

4. Post Office Schemes: Taxability Matrix

5. Accrual vs. Receipt: When to Pay?

The law allows you to report interest when it is "Accrued" (credited to your passbook every quarter/year) or when it is "Received" (on maturity).

CA Tip: Since banks report "Accrued" interest to the AIS portal every year, you should report the same in your ITR annually. If you wait until maturity to declare 5 years worth of interest, your income might jump into a higher tax bracket suddenly, and you will face a mismatch with your AIS records.

Conclusion

Interest income is often the most under-reported income head in India, leading to thousands of "Defective Return" notices every year. With the seamless integration of AIS and TIS in 2026, the era of "forgetting" small interest amounts is over.

Ensure you check every bank statement and the "Interest Income" section of your AIS before finalizing your return for AY 2026-27.

Need help reconciling interest across multiple banks or filing Form 15G/H correctly? Our tax experts help you manage your interest portfolio to ensure zero TDS wastage and 100% compliance.