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| Income Tax Glossary A–Z – Your complete tax dictionary featuring 300+ income tax terms explained in simple language. Learn essential concepts related to tax filing, deductions, capital gains, TDS, refunds, compliance, tax planning, and financial reporting. Designed for taxpayers, professionals, business owners, investors, students, and anyone looking to understand income tax with confidence. |
Income Tax Glossary A–Z
300+ Income Tax Terms Explained in Simple Language
Your Complete Income Tax Dictionary for Taxpayers, Professionals, Businesses & Investors
Introduction
Income tax can seem complicated because it involves numerous legal, financial, and compliance-related terms. Whether you're filing an Income Tax Return (ITR), claiming deductions, calculating capital gains, understanding tax notices, or planning investments, knowing the meaning of common income tax terms can help you make informed decisions.
The TaxLook Income Tax Glossary A–Z is designed to simplify income tax terminology for individuals, salaried employees, freelancers, professionals, business owners, investors, senior citizens, startups, and NRIs.
This glossary serves as a quick-reference guide to some of the most important income tax concepts used in India.
A
Aadhaar-PAN Linking
The process of linking a PAN card with Aadhaar for identity verification and tax compliance purposes.
Advance Tax
Income tax paid in installments during a financial year instead of paying the entire amount at once.
Annual Information Statement (AIS)
A comprehensive statement containing information about a taxpayer's financial transactions and tax records.
Assessment Year (AY)
The year in which income earned during the previous financial year is assessed and taxed.
Assessee
A person or entity liable to pay tax under the Income Tax Act.
Audit
An examination of financial records to verify tax compliance and accuracy.
B
Business Income
Income earned from operating a business or profession.
Basic Exemption Limit
The income threshold below which tax is generally not payable.
Belated Return
An income tax return filed after the original due date.
Bonus Income
Additional compensation received by employees that may be taxable.
Book Profit
Profit calculated according to accounting records for certain tax purposes.
C
Capital Asset
A property, investment, security, or asset that may generate capital gains when sold.
Capital Gains
Profit earned from selling a capital asset.
Capital Gains Tax
Tax imposed on profits from the sale of capital assets.
Cess
An additional levy imposed over and above income tax.
CBDT
Central Board of Direct Taxes, the authority responsible for direct tax administration in India.
Compliance
Following tax laws, filing requirements, and reporting obligations.
D
Deduction
An eligible expense or investment that reduces taxable income.
Demand Notice
A notice issued by the tax department requiring payment of additional tax.
Dividend Income
Income received by shareholders from company profits.
Digital Signature Certificate (DSC)
A secure electronic signature used for tax filing and authentication.
Double Taxation Avoidance Agreement (DTAA)
An agreement designed to prevent the same income from being taxed twice.
E
E-Filing
The process of filing tax returns electronically.
Exemption
Income that is excluded from taxation under specific provisions.
Eligible Deduction
A deduction allowed under the Income Tax Act.
Employer Contribution
Amounts contributed by an employer to specified employee benefit schemes.
Estimated Tax
Projected tax liability based on expected income.
F
Financial Year (FY)
The 12-month period from April 1 to March 31 used for tax purposes.
Form 16
A certificate issued by employers showing salary income and TDS deductions.
Form 26AS
A consolidated tax credit statement linked to PAN.
Filing Status
The taxpayer category under which a return is filed.
Foreign Income
Income earned outside India.
G
Gift Tax Provisions
Rules governing taxation of specified gifts under income tax laws.
Gross Income
Total income before deductions and exemptions.
GST
Goods and Services Tax, an indirect tax separate from income tax.
General Anti-Avoidance Rules (GAAR)
Rules aimed at preventing aggressive tax avoidance practices.
H
HRA (House Rent Allowance)
A salary component that may qualify for tax benefits subject to conditions.
House Property Income
Income earned from owning and renting property.
HUF (Hindu Undivided Family)
A recognized taxpayer category under Indian tax law.
I
Income Tax
A direct tax levied on income earned by individuals and entities.
Income Tax Return (ITR)
A form used to report income and taxes to the Income Tax Department.
ITR Acknowledgment
Confirmation generated after successful filing of a tax return.
Indexation
A method used to adjust the purchase cost of assets for inflation.
Interest Income
Income earned from deposits, savings accounts, bonds, and investments.
J
Joint Ownership
Ownership of an asset by multiple persons which may affect tax treatment.
Judicial Precedent
A court decision that influences future tax interpretations.
K
KYC (Know Your Customer)
Identity verification procedures used by financial institutions.
Keyman Insurance
Insurance purchased by businesses on important employees.
L
Long-Term Capital Gain (LTCG)
Profit earned from selling an asset held beyond the prescribed holding period.
Loss Set-Off
Adjustment of losses against eligible income sources.
Leave Encashment
Payment received for unused leave, subject to tax provisions.
M
Marginal Relief
Relief provided when surcharge causes a disproportionate increase in tax liability.
Mutual Fund Taxation
Tax treatment applicable to mutual fund investments.
Minimum Alternate Tax (MAT)
A tax mechanism applicable to certain companies.
N
New Tax Regime
An alternative income tax structure with revised tax rates and reduced deductions.
NPS (National Pension System)
A retirement savings scheme offering potential tax benefits.
NRI (Non-Resident Indian)
An individual whose residential status qualifies as non-resident under tax laws.
O
Old Tax Regime
The traditional tax system allowing various deductions and exemptions.
Online Tax Filing
Electronic submission of income tax returns.
Outstanding Tax Demand
Unpaid tax liability reflected in tax records.
P
PAN (Permanent Account Number)
A unique tax identification number issued by the Income Tax Department.
Presumptive Taxation
A simplified taxation scheme for eligible businesses and professionals.
Professional Income
Income earned through professional services.
Property Taxation
Tax treatment applicable to property-related income and gains.
Previous Year
The financial year in which income is earned.
Q
Quarterly Advance Tax
Scheduled advance tax payments made during the financial year.
Qualified Investment
An investment meeting specified tax benefit conditions.
R
Refund
Excess tax paid that is returned to the taxpayer.
Residential Status
A taxpayer's classification for determining taxability.
Revised Return
A corrected version of an already filed tax return.
Rebate
A reduction in tax liability available under specified provisions.
S
Salary Income
Income earned from employment.
Self-Assessment Tax
Tax paid after calculating final tax liability before filing a return.
Section 80C
A popular tax-saving provision allowing eligible deductions.
Section 80D
A deduction available for eligible health insurance premiums.
Surcharge
An additional tax imposed on higher-income taxpayers.
Short-Term Capital Gain (STCG)
Profit from selling an asset within the prescribed short-term holding period.
T
Tax Audit
Examination of accounts under specified income tax provisions.
Tax Deduction at Source (TDS)
Tax deducted before payment is made to the recipient.
Tax Liability
The total amount of tax payable.
Tax Planning
Legal strategies used to optimize tax obligations.
Taxable Income
Income remaining after eligible deductions and exemptions.
Taxpayer
A person or entity liable to pay tax.
TCS (Tax Collected at Source)
Tax collected by sellers on specified transactions.
U
Updated Return
A return filed to update previously reported information within permitted timelines.
Unabsorbed Depreciation
Depreciation not fully utilized in a previous year.
V
Verification
The process of confirming the accuracy of a filed tax return.
Voluntary Compliance
Following tax laws without enforcement action.
W
Wealth Creation
Building financial assets over time through savings and investments.
Withholding Tax
Tax deducted before payment of specified income.
X
XBRL Reporting
A structured reporting format used in financial disclosures.
Y
Year-End Tax Planning
Tax-saving and compliance activities undertaken before the financial year closes.
Z
Zero Tax Liability
A situation where no income tax is payable after applying eligible provisions.
Very Short Bio
About TaxLook:
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Visit Regularly for Updates
Income tax laws, filing procedures, tax regimes, deductions, exemptions, compliance requirements, and reporting standards continue to evolve. TaxLook regularly updates this glossary with new terms, revised definitions, tax concepts, and regulatory developments to keep taxpayers informed.
Bookmark this page and visit regularly for:
✅ New Income Tax Terms
✅ Budget & Tax Law Updates
✅ ITR Filing Changes
✅ Tax Planning Concepts
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Conclusion
Understanding income tax terminology is the foundation of effective tax planning, accurate return filing, and informed financial decision-making. Whether you are a beginner taxpayer or an experienced professional, a clear understanding of tax concepts helps reduce confusion and improve compliance.
The TaxLook Income Tax Glossary A–Z is designed to be a trusted reference guide that simplifies complex tax language and supports your learning journey in taxation, finance, compliance, and wealth building.
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