Complete Tax Saving Guide - FY 2025-26

Complete Tax Saving Guide for Salaried Employees (FY 2025-26)

In FY 2025-26, the new tax regime is the default for salaried employees. For many people, it means paying less tax with zero effort. But for others, especially those with home loans, HRA, and multiple deductions, the old regime still wins. The crossover point is specific to your numbers. Here's how to calculate it.

FY 2025-26 New Regime Tax Slabs

The Finance Act 2025 (Union Budget 2025) revised the new regime slabs. Here's the updated structure:

The Section 87A rebate for FY 2025-26: Under the new regime, if your total income does not exceed ₹12,00,000, you get a rebate of up to ₹60,000 under Section 87A. This effectively makes income up to ₹12 lakh tax-free under the new regime, after accounting for the ₹75,000 standard deduction, this means a gross salary of up to ₹12.75 lakh can result in zero tax liability. This is a change introduced in Budget 2025 and is the primary reason the new regime is now the default.

Source: Finance Act 2025 / Union Budget 2025; Income Tax Act Section 87A as amended.

Old Regime: What Deductions Are Still Available

When I mapped out the old regime deductions for a ₹12L salary person, I was surprised at how many still apply and how much they add up. Here's the full picture:

The Worked Example: ₹12L Salary: Old vs New Regime

When I ran this for a friend with a ₹12L salary, home loan, and rented accommodation, the difference was not what she expected. Let's walk through it.

Assumptions for this example:

• Gross salary: ₹12,00,000
• Basic pay: ₹5,40,000 (45% of gross, typical structure)
• HRA received: ₹2,16,000 (40% of basic)
• Rent paid: ₹1,80,000/year (₹15,000/month, non-metro city)
• EPF employee contribution: ₹64,800/year (12% of basic)
• Health insurance premium (self): ₹12,000/year
• Health insurance (parents, below 60): ₹18,000/year
• NPS Tier 1 contribution: ₹50,000/year (for 80CCD(1B))
• ELSS SIP: ₹75,200/year (to fill remaining 80C room after EPF)

When the Old Regime Wins

When I checked this for higher incomes and different deduction profiles, a clear pattern emerged: the old regime wins when total deductions (excluding standard deduction) exceed approximately ₹3.75 lakh. Here's why.

At ₹15L income, new regime tax is roughly ₹1,05,000 (before cess). To beat that in the old regime, you need deductions that bring your taxable income below a level where old slab rates produce less tax. With 80C (₹1.5L) + 80CCD(1B) (₹50K) + 80D (₹50K) + home loan interest (₹2L) = ₹4L total, old regime can save ₹60,000–₹80,000 over new regime for someone at ₹15–20L income.

The quick crossover rule: If your deductions (80C + 80D + 80CCD(1B) + HRA + home loan interest) total more than ₹3.75 lakh, the old regime is likely better. Use the calculator with your actual numbers.

HRA Exemption: How to Calculate It

HRA exemption is calculated as the lowest of three values (old regime only):

1. Actual HRA received (from salary slip)
2. 50% of basic salary (if metro city: Mumbai, Delhi, Kolkata, Chennai) or 40% (if non-metro)
3. Rent paid minus 10% of basic salary

The Standard Deduction Difference

One detail that often gets missed: the standard deduction is higher in the new regime.

• New regime: ₹75,000 standard deduction
• Old regime: ₹50,000 standard deduction

Source: Finance Act 2025; Income Tax Act Section 16(ia) as amended by Union Budget 2025.

This ₹25,000 difference partially offsets the deductions lost by switching to the new regime. It's one more reason the new regime now wins for many salaried employees with modest deductions.

NPS: The Deduction That Works in Both Regimes

Section 80CCD(2), employer's NPS contribution, remains available in the new regime. Under the new regime, the employer can contribute up to 14% of basic salary (up from 10%) into your NPS Tier 1 account, and this is completely tax-free for you with no cap against 80C.

If your basic is ₹5,40,000 and your employer contributes 10% = ₹54,000 into NPS, you don't pay tax on that ₹54,000 regardless of which regime you choose. This is the one tax break that works in the new regime beyond the standard deduction.

Source: Income Tax Act Section 80CCD(2) as amended; Finance Act 2025.

Full Deduction Comparison: Old vs New Regime

Tax Planning Calendar: Don't Be a March Panic Investor

I learned the hard way that investing in a lump sum in March means you're buying at potentially peak prices, missing 11 months of SIP averaging, and rushing into decisions.

• April: Declare investment intention to HR. Start ELSS SIP. Pay health insurance premium.
• June 15: First advance tax instalment due (if applicable: typically for non-salaried or large other income).
• July 31: ITR filing for previous FY. Cross-check Form 26AS and AIS on the Income Tax portal.
• September 15: Second advance tax instalment. Mid-year review of 80C utilisation.
• October–November: Renew health insurance. Submit LTA claims if applicable.
• December 15: Third advance tax instalment. Top up NPS for 80CCD(1B) if not done.
• January–February: Submit investment proofs to HR. Collect rent receipts for HRA.
• March 31: Last date for PPF deposit, NPS, ELSS, insurance. If you planned ahead, this is just a verification exercise: not a panic buying session.

Common Mistakes That Cost Real Money

Mistake 1: Not running the numbers for your regime. Three minutes on the Income Tax Calculator with your actual salary structure tells you definitively which regime wins. Many people are paying ₹20,000–₹50,000 extra in tax by defaulting to the wrong regime without comparing.

Mistake 2: Forgetting EPF already counts toward 80C. If your EPF employee contribution is ₹60,000–₹80,000/year, your actual investable room under 80C is only ₹70,000–₹90,000. Don't invest ₹1.5L separately and then wonder why you're overlapping.

Mistake 3: Buying insurance policies to save tax. Endowment plans and ULIPs generate 4–5% internal returns while locking up large premiums. ELSS gives historically 10–14% returns, PPF gives 7.1% tax-free. Use term insurance for life cover and mutual funds for wealth building.

Mistake 4: Ignoring 80CCD(2) if your employer offers it. Employer NPS contribution is the one deduction that works in both regimes and is not capped against 80C. If your employer offers it, take it, it's the equivalent of a tax-free salary increase.

Use the Income Tax Calculator to input your exact salary structure, including basic, HRA, EPF contribution, and any deductions, and get a precise old vs new regime comparison for your numbers. For a detailed breakdown of exactly how to maximise the Section 80C limit after accounting for your EPF auto-deduction, read the Section 80C tax saving guide. And if you have not yet opened an NPS account to claim the extra ₹50,000 deduction under Section 80CCD(1B), the NPS complete guide explains the full benefit and how to get started.

Sources

1. Finance Act 2025 / Union Budget 2025. New regime slab revision, Section 87A rebate enhancement to ₹60,000, standard deduction revision. incometax.gov.in
2. Income Tax Act, 1961, Sections 80C, 80D, 80CCD(1B), 80CCD(2), 24(b), 87A, 16(ia), Deduction provisions and limits. [legislation.gov.in / incometax.gov.in]
3. CBDT Circular / Press Release on New Tax Regime as Default. Notification making new regime the default from FY 2024-25. [cbdt.gov.in]
4. Income Tax Department, Tax Calculator, Official calculator for regime comparison. incometaxindia.gov.in
5. Ministry of Finance, Budget 2025-26 Memorandum, Explanatory notes on tax slab changes and rebate revision. indiabudget.gov.in