Understanding the latest tax slab is essential for effective tax planning. The Indian Government’s new tax regime continues as the default option, giving taxpayers simplified and potentially lower tax rates with fewer exemptions. Despite expectations during the Union Budget 2026, the income tax slab structures for both regimes have largely remained the same as last year, offering continuity and predictability.
In this blog, we’ll explain what tax slabs in India mean, the difference between the old and new tax regimes and how income tax slab rate affects your earnings.
What are Income Tax Slabs?
An income tax slab defines how much tax you pay on different portions of your income. India uses a progressive tax system: higher earnings fall into higher tax brackets and are taxed at higher income tax slab rates. Both the new tax regime and the old regime have separate slab structures.
New Tax Regime Slabs for FY 2026-27
Under the new tax regime, everyone (regardless of age) follows the same new income tax slab rates. These are:
| Taxable Income (₹) | Tax Rate |
| Up to 4,00,000 | Nil |
| 4,00,001 – 8,00,000 | 5% |
| 8,00,001 – 12,00,000 | 10% |
| 12,00,001 – 16,00,000 | 15% |
| 16,00,001 – 20,00,000 | 20% |
| 20,00,001 – 24,00,000 | 25% |
| Above 24,00,000 | 30% |
These new tax regime slabs have been carried forward from earlier years, aiming to reduce the tax burden for many middle-income taxpayers. Coupled with a standard deduction and rebate (like Section 87A), this often makes tax payable very low or even zero, if your income is within lower brackets
Old Tax Regime Slabs Explained
Under the old regime, the basic tax structure is different and offers more exemptions and deductions, such as those under Section 80C (investments), 80D (health insurance), house rent allowance (HRA), and more. These deductions can significantly reduce your taxable income, potentially making the old regime beneficial for some.
For most individuals under 60, the slabs are:
| Taxable Income (₹) | Tax Rate |
| Up to 2,50,000 | Nil |
| 2,50,001 – 5,00,000 | 5% |
| 5,00,001 – 10,00,000 | 20% |
| Above 10,00,000 | 30% |
Senior Citizen Benefits (Old Regime) include:
- Aged 60-80 years: Up to ₹3,00,000 tax-free, then same slab rates.
- Above 80 years: Up to ₹5,00,000 tax-free.
Despite offering more ways to reduce taxable income, the old regime can result in higher tax bills if you do not claim many deductions. Decide based on your specific deductions and income.
Standard Deduction, Rebate & Cess
In both regimes, certain common adjustments apply:
- Standard Deduction: A deduction of ₹75,000 is available for salaried individuals under the new tax regime, helping reduce your taxable income further.
- Section 87A Rebate: If your taxable income is up to ₹12 lakh, a rebate of up to ₹60,000 can reduce your tax liability to zero, effectively making income tax zero for many middle-income earners.
- Health & Education Cess: An additional 4% charged on total tax liability (including surcharge).
How to Literally Calculate Your Tax?
Whether you follow the new tax regime or the old one, the basic method remains the same.
Step 1: Determine Your Gross Income
Start by calculating your total annual income from all sources. This includes your salary, freelance or business income, rental income, interest from savings accounts or fixed deposits, and any other earnings. This combined amount is your gross income.
Step 2: Subtract Eligible Deductions and Exemptions
Next, reduce your gross income by applicable deductions.
- Under the new tax regime, you can mainly claim the standard deduction available to salaried individuals.
- Under the old regime, you can claim multiple deductions such as investments under Section 80C, health insurance under Section 80D, house rent allowance (HRA), home loan interest, and more.
After subtracting these, you get your taxable income.
Step 3: Apply the Relevant Income Tax Slab Rate
Now apply the income tax slab rate to your taxable income. Your income is split into parts and each part is taxed according to the slab it falls under. For example, one portion may be taxed at 5%, another at 10%, and so on, not your entire income at one single rate.
Step 4: Apply Rebate and Add Cess
If your income is within the eligible limit, apply rebates such as Section 87A, which can significantly reduce or even eliminate your tax liability. Finally, add the 4% Health and Education Cess on the remaining tax amount. This gives you your final tax payable.
Examples to Illustrate Slab Impact
Let us further understand with these examples:
Example 1: ₹8,00,000 Annual Income
Under the new tax regime, the tax would be:
- 0% on ₹4,00,000 + 5% on ₹4,00,000 = ₹20,000 (before rebate/cess).
- If after rebates the tax falls below zero, you effectively pay nil tax.
Under the old regime, tax would be higher unless deductions are claimed.
Example 2: ₹15,00,000 Annual Income
- If you claim standard deductions and have limited other exemptions, the new tax regime often results in a lower tax bill.
- If you have significant deductions (like ₹1.5 lakh under 80C, HRA, etc.), the old regime may still be beneficial.
Understanding Old vs New Tax Regime
Here are the key differences between the old and the new tax regime:
| Feature | New Tax Regime | Old Tax Regime |
| Basic structure | Lower income tax slab rates | Traditional slabs with deductions |
| Deductions | Fewer allowed | Many (80C, 80D, HRA, etc.) |
| Standard deduction | ₹75,000 available | ₹50,000 (older rules vary) |
| Best for | Few deductions; lower tax | Lots of deductions; home loans |
| Default choice | Yes | Optional when filing ITR |
Choosing between regimes requires assessing your eligible deductions and estimating tax in both systems before filing.
Tax Planning Tips
Effective tax planning includes understanding your income, using the available provisions wisely, and aligning your financial goals with the right tax strategy.
Set an Online Income Tax Calculator Before Filing:
Before choosing between the old and new tax regime, use an online income tax calculator to compare your tax liability under both options. By entering your income and deductions, you can clearly see which regime works better for you instead of selecting one blindly.
Review Your Income if You are Close to a Higher Slab:
If your income is close to the next income tax slab, a small increase can push part of your earnings into a higher tax rate. In such cases, using eligible deductions or investments can help reduce your taxable income and lower your overall tax burden.
Align Long-Term Investments with Your Tax Bracket:
Investments like NPS or ELSS not only help save tax (mainly under the old regime) but also support long-term wealth creation. Planning these investments based on your income tax slab rate ensures you balance both tax efficiency and financial growth.
To Sum Up
Understanding the new income tax slab and the older slabs empowers you to make smarter financial decisions. Tax planning is not just about compliance; it’s about retaining more of your income, optimising your savings, and making use of available incentives in the most efficient way. While the new tax regime slabs simplify tax rates and reduce the need for extensive documentation, the old regime can still be beneficial for individuals who actively invest in tax-saving instruments and claim multiple deductions.
Ultimately, the right choice depends on your income structure, financial goals, and eligibility for deductions. Reviewing your tax position each year and comparing both regimes can help you minimise your tax liability and ensure your financial planning remains practical, balanced, and aligned with your long-term objectives.
FAQs
1. What is an income tax slab?
An income tax slab is a range of income charged at a specific rate, higher slabs pay higher rates.
2. What are the new tax regime slabs for FY 2026-27?
The new tax regime slabs start at zero tax up to ₹4,00,000 and go up to 30% above ₹24,00,000.
3. Can I switch between new and old tax regimes?
Yes. Salaried taxpayers can choose either while filing their return. Business taxpayers have some filing constraints.
4. Is income up to ₹12 lakh tax-free under the new regime?
Yes, thanks to a combination of slab structure and Section 87A rebate, income up to ₹12 lakh can end up with zero tax.
5. Which regime is best for me?
It depends on your deductions: fewer deductions may favour the new tax regime, while more deductions often favour the old regime. Compare both before filing.
