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Complete Guide to Income Tax in India (FY 2025-26 / AY 2026-27)

Quick Answer

Income tax in India is a tax charged by the government on income earned by individuals and businesses. For FY 2025-26, taxpayers must calculate tax based on slab rates, choose between the new or old tax regime, claim deductions if eligible, and file income tax return before the due date using the e-filing portal.

This page is a complete hub for understanding income tax in India. It covers tax slabs, deductions, rebate under section 87A, return filing process, due dates, and refund tracking. Each topic is explained in simple language with links to detailed guides so you can understand and complete your tax work easily. 📊


What is Income Tax in India?

Income tax in India is the amount paid to the government based on your income earned during a financial year. It applies to salaried individuals, professionals, businesses, and other taxpayers. The tax is calculated using slab rates and rules defined under the Income Tax Act. 💰


How Income Tax Works in India

Income tax works by dividing income into slabs and applying different tax rates. Taxpayers can reduce their tax by using deductions and rebates. After calculating tax, you must file an income tax return online and pay any remaining tax if applicable. 📘

  • Calculate total income
  • Apply deductions (if using old regime)
  • Check tax slab rates
  • Calculate tax payable
  • File income tax return

Designed Image with 'Income Tax Slab FY 2025-26 (AY 2026-27) – New vs Old Regime Rates' text on it.

Income Tax Slab FY 2025-26 (AY 2026-27) – New vs Old Regime Rates

📊 Check the latest income tax slab rates for FY 2025-26 and AY 2026-27 with complete comparison of new vs old tax regime and examples.

Read Income Tax Slab Guide
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Rebate under Section 87A FY 2025-26 (AY 2026-27) – Income Tax Rebate Rules

💡 Learn how Section 87A rebate can reduce your income tax liability and check eligibility rules under both tax regimes.

Read Section 87A Guide
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Old vs New Tax Regime – Which One is Better for FY 2025-26?

⚖️ Compare old vs new tax regime with clear examples to understand which option is better for saving income tax.

Read Tax Regime Comparison
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Income Tax Calculator FY 2025-26 – Calculate Your Tax Online

🧮 Use this income tax calculator to estimate your tax liability based on salary, deductions, and selected tax regime.

Use Tax Calculator
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Section 80C Deductions List – Tax Saving Investments Explained

📉 Explore tax saving options under Section 80C including PPF, ELSS, LIC and how to reduce taxable income.

Read 80C Deductions Guide
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Standard Deduction FY 2025-26 – Rules for Salaried Employees

💼 Understand standard deduction rules for salaried individuals and how it reduces taxable income automatically.

Read Standard Deduction Guide
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HRA Exemption Calculation – How to Claim House Rent Allowance

🏠 Learn how to calculate HRA exemption with simple formula, examples, and eligibility rules.

Read HRA Guide
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How to File Income Tax Return Online – Step-by-Step Guide

📄 Step-by-step guide to file income tax return online with required documents and process explained in simple steps.

Read ITR Filing Guide
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Income Tax Return Due Date FY 2025-26 – ITR Filing Last Date

📅 Check important due dates for income tax return filing and avoid penalties for late submission.

Check Due Dates
Designed Image with 'Which ITR Form Should You File? ITR-1, ITR-2, ITR-3 & ITR-4 Explained' text on it.

Which ITR Form Should You File? ITR-1, ITR-2, ITR-3 & ITR-4 Explained

📘 Understand different ITR forms and choose the correct one based on your income type.

Read ITR Forms Guide
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Income Tax Refund Status – How to Check ITR Refund Online

💳 Learn how to check your income tax refund status online after filing your return.

Check Refund Status

Income Tax Slab Rates FY 2025-26

Income tax slab rates determine how much tax you need to pay based on your income level. India has two tax systems: new tax regime and old tax regime. 📊

Income Range Tax Rate (New Regime)
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%

Read full details in Income Tax Slab Guide. ✔️


New vs Old Tax Regime – Simple Comparison

New vs old tax regime is an important decision for taxpayers. The new regime offers lower tax rates but fewer deductions, while the old regime allows multiple deductions but has higher tax rates. 📌

Compare both in detail: Old vs New Tax Regime. ✔️


Rebate under Section 87A

Rebate under section 87A helps individuals reduce their tax liability if income is within specified limits. It can make your tax zero if you qualify under the rules. 🎯

Learn eligibility here: Section 87A Rebate. ✔️


Deductions to Save Income Tax

Taxpayers can reduce taxable income by claiming deductions under various sections like 80C, standard deduction, and HRA exemption. These deductions are mainly available under the old tax regime. 📉


Income Tax Calculator FY 2025-26

Income tax calculator helps you estimate tax payable based on your salary and deductions. It is useful for planning your taxes before filing return. 🧮

Use tool here: Income Tax Calculator. ✔️


How to File Income Tax Return Online

Income tax return filing is the process of submitting your income details to the government. It must be done online through the official portal. 📄

Follow step-by-step guide: File Income Tax Return. ✔️


Income Tax Return Due Dates

Income tax return due date is important to avoid penalties. Filing late may result in additional charges and interest. 📅

Check last date here: ITR Due Date. ✔️


Which ITR Form Should You File?

ITR forms are different for different types of taxpayers. Choosing the correct form is important for successful filing. 📘

See details: ITR Forms Explained. ✔️


How to Check Income Tax Refund Status

After filing return, you can check refund status online to track your money. This helps ensure your refund is processed correctly. 💳

Track here: Refund Status Guide. ✔️


Income Tax Compliance Checklist

  • Calculate total income
  • Choose tax regime
  • Claim deductions
  • Pay tax if required
  • File return before due date
  • Check refund status

Common Mistakes to Avoid

  • Choosing wrong tax regime
  • Not claiming eligible deductions
  • Filing wrong ITR form
  • Missing due date

Avoid these mistakes to save tax and avoid penalties. ✔️


External Resources


Conclusion

This complete guide to income tax in India helps you understand all important topics from tax calculation to return filing. By following proper steps and using the linked guides, you can easily manage your taxes and avoid mistakes. 📌


Frequently Asked Questions (FAQs)

Who needs to pay income tax in India?

Individuals whose total income exceeds the basic exemption limit (₹2.5 lakh under old regime or ₹3 lakh under new regime) must pay income tax in India.

What is new tax regime?

New tax regime offers lower tax rates but fewer deductions.

What is Section 87A rebate?

It reduces tax liability for individuals with lower income.

Is filing ITR mandatory?

Yes, if income exceeds exemption limit.

How to check refund status?

You can check it on income tax portal.

What is due date for ITR?

Usually 31st July for individuals.

Which ITR form should I use?

It depends on your income type.


👤 Author: ShineCap Team | 📅 Published on: 25th March, 2026 | ✏️ Modified on: 25th March, 2026

About Us

ShineCap – The Technical Guide is a simple and practical platform focused on tax and compliance topics in India. We provide step-by-step guides on Income Tax, GST, TDS, and Professional Tax, along with useful tools and reference resources to help you complete tasks easily and accurately 🙂. Learn more about us

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ShineCap – The Technical Guide is a simple and practical platform focused on tax and compliance topics in India. We provide step-by-step guides on Income Tax, GST, TDS, and Professional Tax, along with useful tools and reference resources to help you complete tasks easily and accurately 🙂. Learn more about us

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