Section 115BAC of Income Tax Act: New Tax Regime Slabs, Deductions and Exemptions

By CA Mohammed S Chokhawala

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Updated on: May 15th, 2025

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15 min read

The new tax regime under Section 115BAC of the Income-tax Act was introduced in the 2020 Budget and was made the default regime in the 2023 Budget. This regime offers lower tax rates but fewer exemptions and deductions compared to the old regime

The new regime is the default tax regime. However, the tax payers can still opt out and file their returns under the old regime if they want to claim these deductions.

Popular deductions like 80C, HRA, Medical Insurance Premium u/s 80D, cannot be claimed on opting new-tax regime. But certain deduction like employer's contribution to NPS, exemption on gifts received up to Rs. 50,000, exemption on pension money received by the family can still be claimed under the new regime

Section 115BAC aims to simplify the tax filing process and make tax compliance easier for taxpayers. Keep reading to learn more about Section 115BAC of the Income-tax Act, 1961.

What is Section 115BAC – The New Tax Regime?

  • The new tax regime introduced concessional tax rates with reduced deductions and exemptions. 
  • Section 115BAC was amended in Budget 2023, making the new tax regime the default from FY 2023–24 onwards. 
  • The tax rates under the new regime was again revised in Budget 2024
  • If an individual or HUF wants to opt for the old tax regime, then he must file Form 10-IEA before the due date of filing ITR.
  • Old regime cannot be chosen after due date, the taxpayer can file ITR only under the new regime. 
New Tax Regime

What are the Tax Rates Under the New Regime?

  • For FY 2025-26 (AY 2026-27), the income tax slabs was further relaxed. The tax slabs and their respective rates under the new regime for FY 2025-26 (AY 2026-27) is presented in the table below.
Tax Slab for FY 2025-26Tax Rates
Up-to Rs. 4 lakhNIL
Rs. 4 lakh - Rs. 8 lakh5%
Rs. 8 lakh - Rs.12 lakh10%
Rs.12 lakh - Rs.16 lakh 15%
Rs.16 lakh - Rs. 20 lakh20%
Rs. 20 lakh - Rs.24 lakh25%
Above Rs. 24 lakh30%
  • In Budget 2024, the income tax slabs under the new tax regime have been revised. The new tax slabs under the new tax regime for FY 2024-25 (AY 2025-26) are shown in the table below.
Tax Slab for FY 2024-25Tax Rate
Up to Rs. 3 lakhNIL
Rs. 3 lakh - Rs. 7 lakh5%
Rs. 7 lakh  - Rs.10 lakh 10%
Rs. 10 lakh  - Rs.12 lakh15%
Rs.12 lakh  - Rs.15 lakh20%
Above Rs.15 lakh30%
  •  Under the old tax regime, the income tax slabs and rates remain unchanged.

Rebate

  • Rebate provides tax relief for resident individuals who earn a lower income, even if their taxable income crosses the basic exemption limit.
  • Non-residents, companies, HUF, and other assessees are not eligible for rebates.
  • Rebate for FY 2024 - 25 is as follows:
    • Under the new tax regime, individuals with taxable income up to ₹7 lakhs are eligible for a rebate of ₹25,000. 
    • Under the old tax regime, individuals with taxable income up to ₹5 lakhs are eligible for a rebate of ₹12,500.
  • For FY 2025-26, the rebate under the new regime is Rs. 60,000. There is no rebate change under the old regime.

Comparison of New and Old Tax Regime Slab Rates 

The tax rates under the new tax regime and the old tax regime for FY 2024-25(AY 2025-26) are compared below:

 Old Tax Regime (FY 2024-25)New Tax Regime (FY 2024-25)
Income SlabsAge < 60 years & NRIsAge of 60 Years to 80 yearsAge above 80 YearsFY 2024-25
Up to Rs 2.5 lakhsNILNILNILNIL
Rs 2.5 lakhs - Rs 3 lakhs5%NILNILNIL
Rs 3 lakhs - Rs 5 lakhs5%5%NIL5%
Rs  5 lakhs - Rs 6 lakhs20%20%20%5%
Rs 6 lakhs - Rs 7 lakhs20%20%20%5%
Rs 7 lakhs - Rs 7.5 lakhs20%20%20%10%
Rs 7.50 lakhs - Rs 9 lakhs20%20%20%10%
Rs 9 lakhs - Rs 10 lakhs20%20%20%10%
Rs 10 lakhs- Rs 12 lakhs30%30%30%15%
Rs 12 lakhs- Rs 12.5 lakhs30%30%30%20%
Rs 12.5 lakhs - Rs 15 lakhs30%30%30%20%
Above Rs 15 lakhs30%30%30%30%

The new tax regime does not allow 70+ deductions and exemptions (discussed in para 4).

What are the Exemptions and Deductions Available Under the New Regime?

Under the New tax regime, you can claim tax exemptions and deductions for the following:

Chapter VI A Deductions

  • Deduction for employer’s contribution to NPS account [Section 80CCD(2)] (14% of salary can be claimed under the new regime as compared to 10% under the old regime)
  • Deduction for additional employee cost (Section 80JJA)
  • Budget 2023 further introduced deduction of amount paid or deposited in the Agniveer Corpus Fund under Section 80CCH(2)

Salary

  • Section 80CCD(2) - Employer's Contribution towards pension fund - up to 14% of the salary can be claimed as deduction
  • Standard deduction of Rs 75,000 under New Tax Regime as compared to Rs. 50,000 under the old regime. 
  • Exemption on voluntary retirement 10(10C), gratuity u/s 10(10) and Leave encashment u/s 10(10AA)
  • Certain allowances such as transport allowance for specially-abled employees, conveyance allowance for job-related travel, travel compensation for tours or transfers, and daily allowances for duty-related expenses away from the workplace are exempt under specific conditions.
  • Perquisites for official purposes.

House Property

  • Interest on Home Loan on let-out property (Section 24)

Other Sources

  • Gifts up to Rs 50,000
  • Budget 2023 also introduced deduction under Section 57(iia) of family pension income. In Budget 2024 Limit of maximum Deduction under Family Pension has been increased from Rs. 15,000 to Rs. 25,000.

What are the Exemptions and Deductions Not Claimable under the New Regime?

The following are some of the major deductions and exemptions you cannot claim under the new tax regime:

Chapter VI A Deductions

  • The deduction under Section 80TTA/80TTB 
  • Section 80C, 80D, 80E and so on, except Section 80CCD(2) and Section 80JJAA
  • Exemption or deduction for any other perquisites or allowances including food allowance of Rs 50/meal subject to 2 meals a day
  • Employee's (own) contribution to NPS
  • Donation to Political party/trust, etc

Salary

House Property

  • Interest on housing loan on the self-occupied property or vacant property (Section 24)

Other Sources

  • Minor child income allowance

Business or Profession

  • Additional depreciation under section 32(1)(iia)
  • Deductions under section 32AD, 33AB, 33ABA
  • Various deductions for donation for or expenditure on scientific research contained in section 35(2AA) or 35(1)(ii) or (iia) or (iii)
  • Deduction under section 35AD or section 35CCC
  • Exemption under section 10AA for SEZ units 

Comparison of Deductions: Old Regime vs. New Regime for FY 2024-25

The below table outlines the key differences in available deductions between the Old Tax Regime and the New Tax Regime (Section 115BAC) for the financial year 2024-25:

Deduction/ExemptionOld RegimeNew Regime (Section 115BAC)
Section 80C (Investment in PPF, NSC, Life Insurance Premium, ELSS, etc.)Available up to Rs. 1.5 lakhNot available
House Rent Allowance (HRA)Available (based on actuals)Not available
Standard Deduction (for salaried individuals)Rs. 50,000Rs. 75,000 (FY 2024-25) and Rs. 50,000 (FY 2023-24)
Section 80D (Health insurance premium)AvailableNot available
Interest on Housing Loan (Section 24) (for self-occupied property)Deduction up to Rs. 2 lakhNot available
Section 80G (Donations to charitable institutions)AvailableNot available
Leave Travel Allowance (LTA)AvailableNot available
Section 80E (Interest on education loan)AvailableNot available
Section 80TTA/80TTB (Interest on savings bank account/interest for senior citizens)AvailableNot available
Professional Tax (for salaried individuals)AvailableNot available
Entertainment AllowanceAvailableNot available
Transport Allowance (for specially abled)AvailableAvailable
Children’s Education AllowanceAvailableNot available
Income from House Property Loss Set-offAllowed (set off with other income)Not available
Additional Depreciation (Section 32(1)(iia))AvailableNot available

Can I Choose Between the New Tax Regime and the Existing Regime?

The new regime is default tax regime. The assess can still choose to file under old regime.

For Salaried Taxpayer

  • Choice needs to be made in the beginning of the financial year.
  • The choice made by the employee at the beginning of the FY is only for the purpose of deducting TDS and it is changeable while filing the return i.e., July 2025. 
  • If no choice is made by the employee at the beginning of the financial year, TDS deducted by the employer under new regime as it is default regime.
  • Salaried employee can choose to file under new regime in one year and old regime in the next year, or vice versa.

Non Salaried Taxpayer

  • Taxpayers with an income from business or profession (non-salaried) cannot opt-in and opt-out of the new tax regime every year.
  • Once a non-salaried opts out of the new tax regime, they cannot opt-in again for the new tax regime in the future.
  • They need not declare or intimate their choice to anyone during the year.

The due date for tax filing for the FY 2024-25 (AY 2025-26) is 31st July 2025, unless extended. If you have not filed your return within 31st July, you have until 31st December, 2025 to submit your Belated Return. 

How Do I Choose the New Regime and Plan My Taxes?

  • From a tax planning perspective, choosing the tax regime at the beginning of the financial year is essential. 
  • A taxpayer must compare the income tax under the new tax regime with the old regime. 
  • Once the taxpayer chooses the tax regime at the beginning of the year, the investments and TDS or advance tax payable calculations are made accordingly. 
  • Also, the taxpayer has to furnish Form 10IEA to the income tax department before filing the return if the taxpayer intends to opt for the old tax regime.

Example 1: Where the new regime is better in respect of tax outflow (FY 2024-25)

Income Amount (Rs)Old regime (Rs)New regime (Rs)
Salary12,50,00012,50,00012,50,000
Less: Standard deduction50,00050,00075,000
Less: Professional tax2,4002,400-
Gross total income11,97,60011,97,60011,75,000
Less: Deduction u/s 80C1,50,0001,50,000-
Total income10,47,60010,47,60011,75,000
Income tax (Including 4% cess) 1,31,85179,300

In the above example, for an income of Rs 12,50,000, the new tax regime is significantly beneficial by Rs 52,551. However, if you claim further deductions for interest on housing loan for SOP, health insurance, investment in NPS, education loans and so on, the old regime will be helpful in respect of tax savings.

Example 2: Where the old regime is better in respect of tax outflow (FY 2024-25)

Income Old regime (Rs)New regime (Rs)
Salary10,00,00010,00,000
Less: HRA Exemption70,000-
Less: Standard deduction50,00075,000
Less: Professional tax2,400-
Gross total income8,77,6009,25,000
Less: Deduction u/s 80C1,50,000-
Less: Deduction u/s 80D50,000-
Total income6,77,6009,25,000
Income tax48,02042,500
Add: Education cess @ 4%1,9211,700
Total tax49,94144,200

In Example 2, for an income of Rs 10 lakh having HRA exemption and 80D deduction, the old tax regime is beneficial by Rs 5,741.

If an individual claims lower deductions for tax savings towards health insurance, investment in NPS and so on, the new regime will be more beneficial against individuals who utilize the tax-saving investments.

Also, individuals with an income bracket between Rs 5-15 lakh with lower deductions claims will benefit from the new regime. In contrast, individuals can benefit more from the old regime by making tax-saving investments.

The tax payable under both the new and the old regimes without claiming deductions and exemptions for FY 2024-25 (AY 2025-26) is as below:

Annual income*Tax under the old regime (Rs) (A)Tax under the new regime (Rs) (B)Tax savings under the new regime (Rs) (A - B)
Rs 7,50,00054,600054,600
Rs 10,00,0001,06,60044,20062,400
Rs 12,50,0001,79,40079,3001,00,100
Rs 15,00,0002,57,4001,30,0001,27,400

*Assumed that the annual income is after reducing the standard deduction under both old and new regimes.  
The above table shows that the new tax regime generally saves taxes for taxpayers who don’t claim any deductions or exemptions.

House Property Loss Under the New Tax Regime

Self Occupied Property

  • Deduction against  interest on housing loan paid up to Rs. 2 lakhs not allowed.
  • Set off the loss of Rs 2 lakh from house property from salary income not allowed.

Let Out Property

  • If you have let out house property, you can claim a deduction for interest paid on the housing loan.
  • New tax regime restricts the deduction to the taxable rent received from the property.
  • Loss arising due to excess interest paid over rental income not allowed under new regime.
  • Carry forward of house property loss to set off in future years not allowed.

Unabsorbed Depreciation and Business Loss Under the New Regime

In the case of a business income, an individual or HUF cannot claim set-off of the brought forward business loss or unabsorbed depreciation.

The deductions are not available under the new regime to the extent they relate to deductions/exemptions not available under the new regime.

For example, consider the taxpayer has business losses because he has claimed deduction under section 35 - scientific research expenditure. This loss, will be carried forward to the future assessment years.

When he opts for new tax regime in the future, he cannot set off the losses as scientific research expenditure cannot be claimed as deduction under the new regime.  

Conclusion

Based on the provided information, it is evident that the current tax regime offers advantages for the specified income level. If an individual chooses to claim fewer deductions for tax savings, such as investments in NPS or health insurance, the new regime becomes more advantageous compared to individuals who rely on tax-saving investments.

It is important to consider that individuals with an income ranging from Rs.5 lakh to Rs.10 lakh, who opt for lower deductions, will benefit from the new regime. Conversely, individuals falling into higher income tax brackets, earning more than Rs.15 lakh annually, can benefit from the old regime by utilizing tax-saving investments.   

Frequently Asked Questions

Is new tax regime better than old?

It depends on your income level and deductions claimable by you. For middle income earners who do not have much deductions to claim, new regime is more beneficial. 

If you have a lot of tax saving deductions like home loan interest, house rent allowance, 80C deductions, 80D medical insurance premium (which comes to lakhs), then old regime might be beneficial for you. It is always advised to compare both regimes and choose the most beneficial regime.  

Is 80C applicable in new tax regime?

No, Section 80C deductions are not available under the new tax regime.

How to calculate tax in new regime?

From FY 2024-25 (AY 2025-26), the tax slabs under the new tax regime have been revised, as per the table given in the beginning of this article. 

  1. Take the gross total income after providing for standard deduction of Rs.75,000. 
  2. Then, if you have deductions such as 80CCD(2) or 80JJA, you can claim the same and then compute tax as per the slabs on the net total taxable income. 
  3. Claim rebate if you are eligible under Section 87A. 
  4. If not, add cess at 4% to the tax and you'll arrive at total tax payable.
Is HRA allowed in new tax regime?

No, HRA exemption is not allowed in the new tax regime.

Is standard deduction allowed in new tax regime?

Yes. standard deduction of Rs.75,000 is allowed under new regime from FY 2024-25(AY 2025-26). 

Which deductions are allowed in new tax regime?

Some deductions are allowed such as standard deduction, amount paid to Agniveer Corpus Fund, expenses towards income from family pension under Section 57(iia), transport allowance for specially abled persons, employer’s contribution to NPS account, additional employee cost and a few more listed in the above section of this article. 

Which deductions are not allowed in new tax regime?

Many deductions are not allowed such as: Chapter VIA - Section 80C, 80D (premium on health insurance), 80E and so on, except Section 80CCD(2) and Section 80JJAA, and those listed in the above section of this article.

What is Section 115BAC – The New Tax Regime?

The Budget 2020 introduced Section 115BAC - a new tax regime with lower tax rate with fewer exemptions and deductions. It was further amended in the Budget 2023, changing the slab rates and the new regime was made the default regime.

Is there any change in the new tax regime?

Budget 2025 has introduced changes in the new tax regime tax slab, which is mentioned below in the table.

Income Tax Slabs

Tax Rate

Upto Rs. 4,00,000

NIL

Rs. 4,00,001 - Rs. 8,00,000

5%

Rs. 8,00,001 - Rs. 12,00,000

10%

Rs. 12,00,001 - Rs. 16,00,000 

15%

Rs. 16,00,001 - Rs. 20,00,000

20%

Rs. 20,00,001 - Rs. 24,00,000

25%

What is the new deduction on family pension for pensioners?

FM Nirmala Sitharaman in the Budget 2024 has proposed to increase the deduction on family pension from Rs 15,000 to Rs 25,000 for the FY 2024-25. Keep a note that this increase is applicable only under the new tax regime. 

Has the deduction on Employers contribution to a pension scheme has increased?

Yes. For the FY 2024-25, the deduction on employers contribution to the pension scheme under section 80CCD(2) has been increased in the Budget 2024 to 14% of the salary + DA  from 10% of salary +DA.

About the Author

I'm a chartered accountant, well-versed in the ins and outs of income tax, GST, and keeping the books balanced. Numbers are my thing, I can sift through financial statements and tax codes with the best of them. But there's another side to me – a side that thrives on words, not figures. Read more

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