How to Save Tax on Rs. 18 Lakh Salary in FY26: Old vs New Tax Regime Comparison

Learn which tax regime is best for tax saving if you have an income of Rs. 18 lakh.

Which Tax Regime Is Best for Rs. 18 Lakh Salary?

Nidhi | Jun 2, 2025 |

How to Save Tax on Rs. 18 Lakh Salary in FY26: Old vs New Tax Regime Comparison

How to Save Tax on Rs. 18 Lakh Salary in FY26: Old vs New Tax Regime Comparison

As the income tax filing season for the year 2024-25 kicks in, taxpayers are getting ready with their documents to file ITR. The government has extended the last date to file tax returns from July 31 to September 15 to help more people file ITR on time. Taxpayers can opt for the old tax regime or the new tax regime according to their salary and deductions.

For the financial year 2025-26, the new tax regime is a bit different. People having an income of Rs 12.75 lakh will not have to pay tax on their income. However, in the old tax regime, the tax-free limit is only Rs 5.5 lakh. There is a difference of Rs 7.25 lakh.

Because of this, many might believe the old system is not good. However, one can save taxes in many ways using the old regime, especially someone earning Rs. 18 lakh a year.

Table of Content
  1. Tax Slabs and Deductions Under Old Tax Regime
  2. Tax Slabs and Deductions Under the New Regime
  3. Comparing New Tax Regime vs Old Tax Regime for Rs. 18 Lakh Salary
  4. How to Save Tax in Old Tax Regime

Tax Slabs and Deductions Under Old Tax Regime

Income SlabsBelow 60 Years60 to 80 Years (Senior Citizens)
Up to Rs. 2,50,000NILNIL
Rs. 2,50,001 – Rs. 3,00,0005%NIL
Rs. 3,00,001 – Rs. 5,00,0005%5%
Rs. 5,00,001 – Rs. 10,00,00020%20%
Rs. 10,00,001 and above30%30%

Salaried Class individuals can get a standard deduction of Rs. 75,000 under the new tax regime. Additionally, they can also get a rebate of up to Rs. 60,000 under Section 87A. Other deductions include the Employer’s NPS contribution of up to 14% of the employee’s basic pay and DA, and Employer’s EPF contribution is up to 12% of the employee’s basic pay and DA. Some of the other deductions are as follows:

  • Deduction on contributions made to the Agniveer Scheme
  • Tax benefit on interest paid for a home loan for a let-out property
  • Deduction of up to Rs 25,000 on family pension
  • Unlimited deductions on interest earned from PPF and Sukanya Samriddhi
  • Deduction of up to Rs 3,500 on interest earned from other PPF schemes.

Tax Slabs and Deductions Under the New Regime

Income Tax SlabsTax Rate
Up to Rs. 4,00,000NIL
Rs. 4,00,001 – Rs. 8,00,0005%
Rs. 8,00,001 – Rs. 12,00,00010%
Rs. 12,00,001 – Rs. 16,00,00015%
Rs. 16,00,001 – Rs. 20,00,00020%
Rs. 20,00,001 – Rs. 24,00,00025%
Above Rs. 24,00,00030%

The deductions available under the old tax regime are as follows:

  • Standard deduction of Rs 50,000 for salaried individuals.
  • Deduction under Section 80C for contributions in schemes such as PPF, EPF, NPS, ELSS, home loan principal paid, etc.
  • Section 80CCD(1B) offers an extra Rs 50,000 tax benefit if you invest in an NPS Tier-I account for a limit of Rs 2 lakh.
  • Deduction under Section 80D for a medical insurance premium of up to Rs. 1,00,000 for self and parents.
  • Deduction under section 80E for interest on education loans.
  • Deduction for a contribution made to any charity under section 80G
  • Deduction for contribution to any political party.

Comparing New Tax Regime vs Old Tax Regime for Rs. 18 Lakh Salary

New Tax RegimeOld Tax Regime
ParticularsTax RateIncome (Rs)Tax amount (Rs)ParticularsTax RateIncome (Rs)Tax amount (Rs)
Net Income18,00,000Net Income1800000
Less: Standard Deduction75,000Less: Standard Deduction50000
Deduction U/s 80 CCD (2)1,10,000Deduction U/s 80 C150000
Deduction U/s 80 CCD(1)50000
Post Office Scheme Interest 10(15(i)3,500Deduction U/s 80 D25000
Interest on PPF/ Sukanya Yojna17,500Interest from Home loan200000
Net taxable income15,94,000Net taxable income1325000
Income exempt up to Rs 4 lakhNil4,00,000Income exempt up to Rs 2.5 lakhNil250000
Income tax slab of Rs 4 lakh and up to Rs 8 lakh54,00,00020,000Income tax slab of Rs 2.5 lakh and up to Rs 5 lakh525000012500
Income tax slab of Rs 8 lakh up to Rs 12 lakh104,00,00040,000Income tax slab of Rs 5 lakh up to Rs 10 lakh20500000100000
Income tax slab of Rs 12 lakh up to Rs 16 lakh153,94,00059,100Income tax slab of Rs 10 lakh up to Rs 18 lakh3032500097500
Total income tax liability1,19,100Total income tax liability210000
Cess at 4% on total income tax payable 4,764Cess at 4% on total income tax payable 8400
Final income tax liability (inclusive of cess)1,23,864Final income tax liability (inclusive of cess)218400

How to Save Tax in Old Tax Regime

The old tax regime offers various deductions that can bring down your tax liability less than the liability in the new tax regime. Here are these deductions:

Deduction under section 80D

Section 80D offers deductions for the health insurance premium and medical expenses of self, spouse, children, and parents.

Category of eligible persons for tax deduction under section 80DPremium paid for self, family, and childrenPremium paid for parentsEligible deduction under section 80D
Taxpayer and parents below the age of 60 yearsRs. 25,000Rs.25,000Rs 50,000
Taxpayer and family below the age of 60 years but parents above 60 yearsRs.25,000Rs 50,000Rs.75,000
Taxpayer, family, and parents above the age of 60 yearsRs 50,000Rs. 50,000Rs.1,00,000
Members of HUF and Non-resident individualsRs.25,000Rs.25,000Rs.25,000

Deduction under section 80E

Under section 80E, taxpayers can get a deduction for the interest paid towards the education loan for further studies of self, spouse, or children.

Deduction Under Section 80G

Under Section 80G, if taxpayers make donations to a charitable trust, they can get a deduction between 30% and 100% on the donation amount, based on the nature of the charity.

Deduction Under Sections 80GGB and 80GGC

A donation made to any political party is eligible for tax deductions under Section 80GGB (for companies) and Section 80GGC (for individuals). This means 100% of the donation amount can be claimed as a deduction.

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