Income Tax Calculator FY 2025-26 — New vs Old Regime
| Income Slab | Rate | Taxable Amt | Tax |
|---|
New Regime vs Old Regime — Which is Better for You?
The most common question every taxpayer in India asks at the start of the financial year is: should I choose the new tax regime or stick with the old regime? There is no single correct answer — it depends on your income level, your investments, your HRA exemption, and your overall financial situation. However, after Budget 2025, the new regime has become significantly more attractive for a larger percentage of taxpayers.
Here is a quick framework to decide:
- Gross income below ₹12.75 lakh (salaried): New regime is almost always better — your taxable income after ₹75,000 standard deduction falls below ₹12 lakh, making your tax zero via Section 87A rebate.
- Gross income ₹12.75L to ₹20L with high deductions: Compare both. If your 80C + 80D + HRA + NPS deductions exceed ₹4-5 lakh, old regime may still be better.
- Gross income above ₹20L: The new regime's lower slabs up to ₹20L often compensate for the loss of deductions. Run the numbers with our calculator.
For most middle-class salaried employees in Coimbatore working in IT, textiles, manufacturing, or services, the new regime now offers a clear advantage. The government has deliberately structured Budget 2025 to make the new regime the default and preferred option for salaried taxpayers.
FY 2025-26 New Regime Slabs — Budget 2025 Updates
Budget 2025, presented by Finance Minister Nirmala Sitharaman on February 1, 2025, brought significant changes to the new tax regime. These are the most important updates for salaried taxpayers in FY 2025-26 (Assessment Year 2026-27):
New Tax Slabs (Effective FY 2025-26)
| Taxable Income Slab | Tax Rate | Tax on this Slab |
|---|---|---|
| ₹0 to ₹4,00,000 | 0% (Nil) | ₹0 |
| ₹4,00,001 to ₹8,00,000 | 5% | Up to ₹20,000 |
| ₹8,00,001 to ₹12,00,000 | 10% | Up to ₹40,000 |
| ₹12,00,001 to ₹16,00,000 | 15% | Up to ₹60,000 |
| ₹16,00,001 to ₹20,00,000 | 20% | Up to ₹80,000 |
| ₹20,00,001 to ₹24,00,000 | 25% | Up to ₹1,00,000 |
| Above ₹24,00,000 | 30% | 30% on excess |
Important note: These slabs apply to taxable income — i.e., gross income minus the standard deduction (₹75,000 for salaried employees). Gross income is not the same as taxable income. A salaried employee earning ₹12,75,000 gross has a taxable income of ₹12,00,000 (after ₹75,000 standard deduction) and thus pays zero tax under Section 87A rebate.
Key Changes in Budget 2025
- The nil tax slab was raised from ₹3 lakh to ₹4 lakh
- Standard deduction for salaried employees increased from ₹50,000 to ₹75,000
- Section 87A rebate limit raised from ₹25,000 to ₹60,000 (effectively making income up to ₹12L tax-free)
- The new regime has been made the default regime — employees must actively opt out to use old regime
Old Regime Slabs and Deductions for FY 2025-26
The old tax regime remains available for taxpayers who have significant deductions. The slabs under the old regime did not change in Budget 2025:
Old Regime Tax Slabs (Below 60 Years)
| Taxable Income Slab | Tax Rate |
|---|---|
| ₹0 to ₹2,50,000 | 0% (Nil) |
| ₹2,50,001 to ₹5,00,000 | 5% |
| ₹5,00,001 to ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Old Regime — Senior Citizen Slabs (60–80 Years)
| Taxable Income Slab | Tax Rate |
|---|---|
| ₹0 to ₹3,00,000 | 0% |
| ₹3,00,001 to ₹5,00,000 | 5% |
| ₹5,00,001 to ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Old Regime — Super Senior Citizen Slabs (Above 80 Years)
| Taxable Income Slab | Tax Rate |
|---|---|
| ₹0 to ₹5,00,000 | 0% |
| ₹5,00,001 to ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Under the old regime, taxable income = gross income − standard deduction (₹50,000) − Section 80C (up to ₹1.5L) − Section 80D (up to ₹25,000 or ₹50,000 for seniors) − HRA exemption − other eligible deductions. The key advantage of the old regime is that these deductions can significantly reduce your taxable income, potentially pushing you into a lower slab.
Zero Tax Up to ₹12 Lakh — How Section 87A Works in FY 2025-26
The most headline-grabbing announcement of Budget 2025 was "zero income tax up to ₹12 lakh." Here is exactly how it works and what it means for you:
The Mechanics of Section 87A Rebate
Section 87A of the Income Tax Act provides a tax rebate — a reduction in the tax liability after the slab-wise tax is calculated. In FY 2025-26 under the new regime:
- Calculate your taxable income: Gross income − Standard deduction (₹75,000 if salaried)
- Calculate tax on taxable income using the new regime slabs
- If taxable income is ₹12,00,000 or less, Section 87A provides a rebate of up to ₹60,000
- Since the maximum tax on ₹12,00,000 taxable income (under new slabs) is exactly ₹60,000, the rebate eliminates the entire tax liability
- Result: ₹0 tax, ₹0 cess
Who Benefits — Real Examples
- Coimbatore salaried employee, ₹10L gross: Taxable = ₹10L − ₹75K = ₹9.25L. Tax = ₹47,500. Rebate = ₹47,500. Final tax = ₹0. Take-home nearly full salary.
- ₹12L gross salary: Taxable = ₹12L − ₹75K = ₹11.25L. Tax = ₹52,500. Rebate = ₹52,500. Final tax = ₹0. Zero tax on ₹12 lakh salary!
- ₹12.75L gross salary: Taxable = ₹12.75L − ₹75K = exactly ₹12L. Tax = ₹60,000. Rebate = ₹60,000. Final tax = ₹0. This is the maximum salary for zero tax.
- ₹13L gross salary: Taxable = ₹12.25L. Tax = ₹63,750. Rebate does NOT apply (exceeds ₹12L). However, marginal relief caps tax at ₹25,000 (excess over ₹12L taxable = ₹25,000). Plus 4% cess = ₹26,000 total. Tax jumps sharply just above ₹12.75L gross.
The ₹12.75L Gross Salary Boundary — Important!
For salaried employees under the new regime in FY 2025-26, ₹12,75,000 gross annual salary is the exact breakeven. Earn ₹1 more and you cross into taxable territory (marginal relief applies, but tax starts). Many Coimbatore employees and IT professionals will want to check if their salary falls just above or below this threshold when negotiating increments or accepting offers.
Standard Deduction ₹75,000 — New Regime Benefit
Before Budget 2025, the standard deduction under the new regime was ₹50,000 (same as old regime). Budget 2025 raised it to ₹75,000 for salaried employees and pensioners under the new regime. This ₹25,000 increase effectively raised the zero-tax salary threshold from ₹12.5 lakh to ₹12.75 lakh gross.
What is Standard Deduction?
Standard deduction is a flat deduction available to all salaried employees and pensioners — no bills, no proof, no investment required. It was reintroduced in Budget 2018 after being abolished in 2005. The purpose is to compensate for work-related expenses (transport, professional development, etc.) that employees cannot individually claim as deductions.
Standard Deduction — Who Gets It?
- Salaried employees: ₹75,000 under new regime, ₹50,000 under old regime
- Pensioners: ₹75,000 under new regime, ₹50,000 under old regime (from FY 2024-25 onwards)
- Family pensioners: ₹15,000 or one-third of pension (whichever is lower) — unchanged
- Self-employed / business: No standard deduction available
Section 80C Deductions — Full List for Old Regime
Under the old tax regime, Section 80C allows you to reduce your taxable income by up to ₹1,50,000 per year. This is one of the most powerful deductions available and can save ₹15,000 to ₹46,800 in tax depending on your slab (including cess). Here are all eligible Section 80C investments and expenses:
Investment-Based 80C Deductions
| Investment / Expense | Annual Limit | Lock-in Period |
|---|---|---|
| Employee Provident Fund (EPF) contribution | Actual contribution | Till retirement / 5 years |
| Public Provident Fund (PPF) | Up to ₹1.5L | 15 years |
| ELSS Mutual Fund (Tax Saver Fund) | Up to ₹1.5L | 3 years |
| Life Insurance Premium (LIC/others) | Actual premium paid | Policy term |
| Sukanya Samriddhi Yojana (Selva Magal) | Up to ₹1.5L | 21 years |
| National Savings Certificate (NSC) | No limit | 5 years |
| 5-Year Tax Saver Bank FD | Up to ₹1.5L | 5 years |
| National Pension System (NPS) — Tier 1 | Within ₹1.5L cap | Till age 60 |
| ULIP (Unit Linked Insurance Plan) | Actual premium | 5 years |
| Senior Citizens Savings Scheme (SCSS) | Up to ₹1.5L | 5 years |
| Home Loan Principal Repayment | Within ₹1.5L cap | — |
| Children's Tuition Fees (2 children max) | Within ₹1.5L cap | — |
| Stamp Duty on House Purchase | Within ₹1.5L cap (one-time) | — |
Most Coimbatore employees who have been investing in EPF, PPF, and paying LIC premiums will easily exhaust the ₹1.5 lakh 80C limit. If you have all three (EPF + PPF + LIC), you likely already hit the cap — additional investments beyond ₹1.5L do not provide additional 80C benefit.
Section 80C — Tax Saved at Different Slabs
| Your Tax Slab | 80C Deduction Used | Tax Saved (before cess) | Tax Saved (after 4% cess) |
|---|---|---|---|
| 5% | ₹1,50,000 | ₹7,500 | ₹7,800 |
| 20% | ₹1,50,000 | ₹30,000 | ₹31,200 |
| 30% | ₹1,50,000 | ₹45,000 | ₹46,800 |
Section 80D — Health Insurance Deduction
Section 80D is available under the old regime for health insurance premiums paid. This deduction is especially relevant for working professionals and their families. In FY 2025-26, the limits are:
Section 80D Deduction Limits
| Who is Insured | Age < 60 | Age 60+ (Senior Citizen) |
|---|---|---|
| Self, spouse, dependent children | ₹25,000 | ₹50,000 |
| Parents | ₹25,000 | ₹50,000 (if parents are senior citizens) |
| Maximum total 80D | ₹50,000 | Up to ₹1,00,000 |
Preventive health check-up expenses (up to ₹5,000) are included within the above limits — not an additional deduction. Cash payments for insurance premiums do not qualify for 80D (must be by cheque, UPI, card, etc.). Cash payments for preventive health check-ups are allowed.
For a Coimbatore professional paying ₹20,000 for family health insurance and ₹25,000 for parents' senior citizen health insurance, the total 80D deduction is ₹45,000. At the 30% slab, this saves ₹14,040 in tax (including cess).
HRA Exemption for Coimbatore Employees
House Rent Allowance (HRA) exemption is one of the most valuable deductions under the old tax regime for salaried employees living in rented accommodation. Coimbatore is classified as a non-metro city for HRA purposes, which means the city classification limit is 40% of basic salary (not 50% as in metro cities like Mumbai, Delhi, Chennai, or Kolkata).
HRA Exemption Calculation for Coimbatore
The HRA exemption is the least of these three amounts:
- Actual HRA received from employer
- 40% of basic salary (non-metro) — for Coimbatore
- Actual rent paid minus 10% of basic salary
HRA Example — Coimbatore Employee
Suppose a Coimbatore IT professional has: Basic salary = ₹50,000/month; HRA received = ₹20,000/month; Actual rent paid = ₹15,000/month (RS Puram flat):
- Actual HRA = ₹20,000/month = ₹2,40,000/year
- 40% of basic = ₹20,000/month = ₹2,40,000/year
- Rent paid − 10% basic = ₹15,000 − ₹5,000 = ₹10,000/month = ₹1,20,000/year
- HRA exemption = ₹1,20,000 (least of the three)
This ₹1,20,000 exemption reduces taxable income by ₹1.2 lakh under the old regime. At the 20% slab, this saves ₹24,960 in tax (including cess). Remember, HRA exemption requires proof of rent payment and landlord's PAN if rent exceeds ₹1 lakh annually.
Important: HRA exemption is NOT available under the new tax regime. If you are living in a rented house in Coimbatore and claiming HRA, factor this into your old vs new regime comparison using our calculator above.
How to Calculate Your Take-Home Salary in Coimbatore
Take-home salary calculation is often confusing because of the difference between CTC, gross salary, and net salary. Here is a step-by-step breakdown:
Step 1: Start with CTC (Cost to Company)
CTC = your total employment cost to the company, including employer EPF, employer ESI (if applicable), gratuity contribution, health insurance premium paid by employer, and other benefits.
Step 2: Calculate Gross Salary
Gross Salary = CTC − Employer EPF contribution (12% of basic, up to ₹15,000 basic ceiling) − Employer's share of other contributions. For most Coimbatore private sector employees, Gross Salary ≈ CTC × 0.88 to 0.92 depending on the CTC structure.
Step 3: Deduct from Gross Salary
- Employee EPF contribution: 12% of basic salary (up to ₹1,800/month on ₹15,000 basic ceiling)
- Professional Tax (Tamil Nadu): ₹200/month (₹2,400/year) for income above ₹21,000/month
- Income Tax (TDS): Annual tax liability ÷ 12
- Employee's health insurance premium (if deducted from salary)
Step 4: Net Take-Home
Net Take-Home = Gross Salary − Employee EPF − Professional Tax − Income Tax TDS
Example: Gross salary ₹10,00,000/year under new regime (zero tax): ₹10,00,000 − ₹21,600 (EPF) − ₹2,400 (PT) = ₹9,76,000/year = approximately ₹81,333/month take-home.
When to Choose Old Regime — Real Examples
Despite the new regime's advantages, the old regime still makes sense for certain taxpayers. Here are specific real-life scenarios where old regime wins:
Example 1 — Coimbatore Professional with Home Loan, ₹20L Salary
Income: ₹20L gross. Deductions: 80C ₹1.5L, Section 24b home loan interest ₹2L, 80D ₹50,000, HRA exemption ₹1.5L. Total old regime taxable income = ₹20L − ₹50K std − ₹1.5L − ₹2L − ₹50K − ₹1.5L = ₹14L. Old regime tax = ₹3,24,000 + 4% cess ≈ ₹3,37,000. New regime taxable = ₹20L − ₹75K = ₹19.25L, tax ≈ ₹2,34,375. New regime wins here even with heavy deductions.
Example 2 — Employee with ₹30L Income, Maximum Deductions
Income: ₹30L. Deductions: 80C ₹1.5L, 80D ₹1L (senior citizen parents), 80CCD(1B) NPS ₹50K, HRA ₹2L, Home loan 24b ₹2L. Old regime taxable = ₹30L − ₹50K − ₹1.5L − ₹1L − ₹50K − ₹2L − ₹2L = ₹22.5L. Old regime tax = ₹5,77,500 + cess ≈ ₹6,00,600. New regime taxable = ₹30L − ₹75K = ₹29.25L. New regime tax ≈ ₹6,90,000 + cess ≈ ₹7,17,600. Here, old regime saves approximately ₹1.17L.
Example 3 — Senior Citizen Pensioner, ₹8L Pension
A retired senior citizen (aged 65) in Coimbatore with ₹8L pension. Old regime: nil slab extends to ₹3L, then 5% till ₹5L, 20% till ₹10L. Old regime tax = ₹25,000 (5% on ₹2.5L from 3L to 5L) + ₹60,000 (20% on ₹3L from 5L to 8L) = ₹85,000 + 4% cess = ₹88,400. New regime: taxable = ₹8L − ₹75K = ₹7.25L. Tax = 5% on ₹3.25L (4L to 7.25L) = ₹16,250. Rebate applies (below ₹12L) → ₹0 tax. New regime is far better here.
Income Tax Filing — Key Deadlines and Forms
Filing your ITR correctly and on time is essential to avoid penalties and interest. Here are the key ITR forms for different taxpayer categories:
| ITR Form | Who Should File |
|---|---|
| ITR-1 (Sahaj) | Salaried individual, one house property, income up to ₹50L |
| ITR-2 | Income from capital gains, multiple house properties, or foreign income |
| ITR-3 | Business/profession income (proprietary) |
| ITR-4 (Sugam) | Presumptive income under 44AD/44ADA/44AE (small business/professional) |
Most Coimbatore salaried employees who do not have business income or capital gains from stocks/property should use ITR-1. The filing deadline for non-audit cases is July 31 of the assessment year.