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Tax glossary

Every abbreviation you meet while filing, in plain English. The agent handles all of this for you; this is here for when you want to know what a term means.

Filing basics

ITRIncome Tax Return
The form you file each year declaring your income and the tax on it. The form number (ITR-1 to ITR-4 for individuals) depends on your income types.
AYAssessment Year
The year in which last year's income is assessed and filed. Income earned in FY 2024-25 is filed in AY 2025-26.
FYFinancial Year
The year in which you earn the income, 1 April to 31 March. Also called the previous year.
PANPermanent Account Number
Your 10-character tax ID. Every figure the department holds is matched against it.
ITR-1 (Sahaj)Income Tax Return form 1
For a resident with salary, one house property, and small other income, up to ₹50 lakh total.
ITR-2Income Tax Return form 2
For income that ITR-1 cannot hold: capital gains, more than one house, foreign assets, or income above ₹50 lakh, with no business income.
ITR-3Income Tax Return form 3
For income that includes profits from a business or profession with regular books.
ITR-4 (Sugam)Income Tax Return form 4
For a small business or profession filing under the presumptive schemes (44AD / 44ADA).
e-verifyElectronic verification
Confirming the filed return is really yours, by Aadhaar OTP or net banking, within 30 days of filing. Without it the return is treated as never filed.
ERIe-Return Intermediary
A service authorised by the department to file returns on a taxpayer's behalf through the portal.

The records checked against

AISAnnual Information Statement
The department's record of your income, gathered from banks, your employer, registrars and others. The agent matches every figure in your return against it.
TISTaxpayer Information Summary
A simplified, category-wise summary derived from the AIS.
Form 26ASAnnual Tax Statement
The official tally of tax already paid against your PAN (TDS, advance tax, self-assessment tax). Tax that appears here is credit you can definitely claim.
Form 16TDS certificate (salary)
The certificate your employer gives, showing your gross salary and the tax deducted from it.
Form 16ATDS certificate (non-salary)
The TDS certificate for non-salary payments such as interest or professional fees.

Tax paid and tax relief

TDSTax Deducted at Source
Tax cut from your income before you receive it (by an employer, bank or payer) and deposited against your PAN.
TCSTax Collected at Source
Tax collected by a seller on certain purchases (e.g. a foreign tour, a high-value car) and credited against your PAN.
Advance taxAdvance tax
Tax paid in instalments during the year when your liability after TDS exceeds ₹10,000.
SATSelf-Assessment Tax
The balance tax you pay yourself, with a challan, before filing if TDS and advance tax did not cover the full bill.
Rebate 87ASection 87A rebate
A rebate that brings tax to nil for lower incomes (up to ₹7 lakh under the new regime, ₹5 lakh under the old).
SurchargeSurcharge
An extra percentage on tax for high incomes, in slabs starting above ₹50 lakh.
CessHealth and Education Cess
A flat 4% added on top of tax (plus surcharge) to fund health and education.
ChallanTax payment challan
The receipt generated when you pay tax online. Its number is entered when you file.
BSR codeBasic Statistical Return code
A code identifying the bank branch on a tax-payment challan.

Common deductions (mostly old regime)

80CSection 80C
Up to ₹1,50,000 for investments and payments like EPF, PPF, ELSS, life insurance, principal on a home loan and children's tuition.
80CCD(1B)Section 80CCD(1B)
An extra ₹50,000 for your own contribution to the NPS, over and above 80C.
80CCD(2)Section 80CCD(2)
Your employer's NPS contribution, capped at a percentage of basic salary. Allowed in both regimes.
80DSection 80D
Health-insurance premium: up to ₹25,000 for yourself and family, plus up to ₹50,000 for senior-citizen parents.
80ESection 80E
Interest paid on an education loan, with no upper limit, for up to 8 years.
80GSection 80G
Donations to eligible funds and charities, at 50% or 100%, some capped at 10% of income.
80TTASection 80TTA
Up to ₹10,000 of savings-account interest, for those below 60.
80TTBSection 80TTB
Up to ₹50,000 of all deposit interest (savings + FD), for resident senior citizens.
24(b)Section 24(b)
Home-loan interest: up to ₹2,00,000 on a self-occupied home; uncapped on a let-out one.
HRAHouse Rent Allowance
A salary allowance that is partly exempt if you pay rent. The exempt share is higher (50% vs 40% of basic) in the metro cities.
Standard deductionStandard deduction
A flat deduction from salary (₹50,000 old regime, ₹75,000 new for AY 2025-26), claimed automatically.

Capital gains and crypto

STCGShort-Term Capital Gain
Gain on an asset sold within its short-term holding period (e.g. listed shares held under 12 months).
LTCGLong-Term Capital Gain
Gain on an asset held beyond the short-term period, usually taxed at a lower rate.
111ASection 111A
STCG on listed equity and equity mutual funds. 15% before 23 Jul 2024, 20% on or after.
112ASection 112A
LTCG on listed equity and equity mutual funds, exempt up to ₹1,25,000 a year, then 10% (12.5% on or after 23 Jul 2024).
112Section 112
LTCG on other assets such as property, gold and debt funds.
115BBHSection 115BBH
Crypto and other virtual digital assets, taxed at a flat 30% with no loss set-off and no indexation.
VDAVirtual Digital Asset
Crypto, NFTs and the like, taxed under section 115BBH.
IndexationIndexation
Adjusting an asset's purchase cost for inflation to reduce the taxable long-term gain (where still allowed).

Status and other terms

RORResident and Ordinarily Resident
A resident taxed on worldwide income.
RNORResident but Not Ordinarily Resident
A transitional resident status, taxed mainly on Indian income.
NRNon-Resident
Taxed only on income earned or received in India.
HUFHindu Undivided Family
A family treated as a single taxpayer with its own PAN.
Schedule FASchedule Foreign Assets
The ITR schedule where a resident reports foreign bank accounts, overseas shares (incl. RSUs/ESPP) and foreign property. Mandatory even for small holdings.
GTIGross Total Income
The sum of income under all heads, before deductions.
EPF / PPFEmployees' / Public Provident Fund
Retirement savings that qualify under 80C.
NPSNational Pension System
A retirement scheme with deductions under 80CCD(1B) and 80CCD(2).

General explanations for AY 2025-26, not tax advice. Limits and rates can change year to year.