Knowledge Hub · CA-verified

    Income Tax Glossary

    242+ Indian income-tax terms explained clearly — from AIS and 26AS to Section 80C, DTAA, ITR-U, 44ADA presumptive, LTCG, HRA and more.

    Letter A
    Assessment Year

    The year immediately following the Financial Year in which income is assessed for tax — e.g., FY 2024-25 income is assessed in AY 2025-26.

    AIS

    Annual Information Statement — comprehensive digital statement of 45+ transaction categories.

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    Advance Tax

    Tax paid in four instalments during the FY when income is earned, per Section 208.

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    AMT

    Alternate Minimum Tax under Section 115JC — 18.5% for LLPs and other non-corporates.

    Angel Investor

    Investor in early-stage startups — 56(2)(viib) angel tax applies to premium.

    APY

    Atal Pension Yojana — pension scheme, 80CCD(1) eligible.

    Read full guide →
    Letter B
    Basic Exemption

    Income threshold below which no tax — ₹2.5L (old), ₹3L (new AY 24-25 — up to age 60).

    Block of Assets

    Group of assets with same rate of depreciation.

    Book Profit

    Adjusted profit computed for MAT / AMT calculation.

    Book Profit for 40(b)

    Adjusted profit for partner remuneration limits calculation.

    Bonus Shares

    Free shares issued from reserves — cost is nil, holding period from parent.

    Basic Salary

    Fixed component of salary — used in PF/HRA/gratuity calculation.

    Letter C
    Cess

    Health & Education cess at 4% on tax + surcharge.

    CII

    Cost Inflation Index — notified annually by CBDT; used for indexation.

    Chapter VI-A

    Chapter containing all deductions (80C to 80U).

    Chapter XVII-B

    Chapter for Tax Deducted at Source (TDS).

    Chapter XII

    Chapter for special tax rates (LTCG, STCG, MAT, AMT).

    Coparcener

    Member of HUF with birthright — includes daughters post 2005 amendment.

    Cost of Improvement

    Capital expenditure post-acquisition — added to cost while computing gain.

    Composite Scheme

    GST composition scheme — 1%/5%/6% flat tax on turnover.

    Letter D
    DTAA

    Double Taxation Avoidance Agreement — treaty between India and other countries.

    Read full guide →
    Deemed Resident

    PIO/OCI with Indian income > ₹15L and not liable in other country — Section 6(1A).

    Depreciation

    Wear-and-tear deduction under Section 32; rates per Appendix I.

    Deemed Dividend

    Section 2(22)(e) — advance / loan to shareholder treated as dividend.

    DPIIT

    Department for Promotion of Industry and Internal Trade — startup recognition.

    DA

    Dearness Allowance — inflation-linked salary component.

    Letter E
    ESOP

    Employee Stock Option Plan — taxed as perquisite at exercise, capital gain at sale.

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    ESPP

    Employee Stock Purchase Plan — discount taxed as perquisite; sale as capital gain.

    EPS

    Employees' Pension Scheme — 8.33% of employer PF.

    ELSS

    Equity Linked Savings Scheme — 3-year lock-in equity MF, 80C eligible.

    Read full guide →
    Letter F
    Financial Year

    The 12-month period from 1 April to 31 March in which income is earned.

    Form 16

    Certificate of TDS on salary issued by employer under Rule 31; Part A from TRACES, Part B computed by employer.

    Form 16A

    Certificate of TDS on non-salary income (rent, professional, interest) issued quarterly.

    Form 26AS

    Consolidated annual tax credit statement showing all TDS/TCS/advance tax/SAT credited to PAN.

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    Form 15G

    Declaration by non-senior for no TDS if income below basic exemption.

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    Form 15H

    Same as 15G but for senior citizens (60+).

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    Form 26QB

    Challan-cum-statement for 1% TDS on property purchase > ₹50L.

    Read full guide →
    Form 26QC

    Challan-cum-statement for 5% TDS on rent > ₹50k/month (Section 194IB).

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    Form 3CB-3CD

    Tax audit report format for non-corporate taxpayers.

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    Form 3CA-3CD

    Tax audit report format for corporate taxpayers.

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    Form 3CEB

    Report on international / specified domestic transactions (transfer pricing).

    Form 10-IC

    Option exercise form for 22% corporate rate under 115BAA.

    Form 10-ID

    Option exercise form for 15% new manufacturing rate under 115BAB.

    Form 10E

    Relief computation under Section 89 for arrears / advance salary.

    Read full guide →
    Form 10BE

    Certificate of donation for 80G issued by donee to donor.

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    Form 10BD

    Statement of donations filed by donee with CBDT.

    Form 67

    Statement of foreign tax paid — filed before ITR to claim FTC.

    Read full guide →
    FTC

    Foreign Tax Credit — relief from double taxation.

    Read full guide →
    Firm

    Partnership under Indian Partnership Act 1932 — files ITR-5.

    Letter G
    Grandfathering

    FMV as on 31 January 2018 substituted as cost for pre-2018 listed equity.

    Read full guide →
    Gratuity

    Retirement benefit under Payment of Gratuity Act — 15 days salary × years.

    Letter H
    HRA

    House Rent Allowance — exemption under Section 10(13A).

    Read full guide →
    HUF

    Hindu Undivided Family — separate assessee under Income Tax Act.

    Letter I
    ITR-1

    Sahaj — for resident individuals with income up to ₹50L from salary, one house, interest.

    ITR-2

    For individuals/HUFs with capital gains, foreign income, more than one house.

    ITR-3

    For individuals/HUFs with business or profession income including F&O.

    ITR-4

    Sugam — presumptive scheme 44AD/44ADA/44AE up to threshold.

    ITR-5

    For partnership firms, LLPs, AOPs, BOIs.

    ITR-6

    For companies (except Section 8) — filed electronically with DSC.

    ITR-7

    For trusts, NGOs, political parties, Section 8 companies.

    ITR-U

    Updated return under Section 139(8A) — 24-month window with 25%/50% additional tax.

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    Indexation

    Adjustment of cost of acquisition using Cost Inflation Index (CII) for LTCG on long-term assets.

    Letter K
    Karta

    Head of HUF — files return on behalf of family.

    KVP

    Kisan Vikas Patra — post office savings scheme.

    Letter L
    LTA

    Leave Travel Allowance — exemption under Section 10(5).

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    LTCG

    Long-Term Capital Gains — asset held beyond prescribed period.

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    LLP

    Limited Liability Partnership under LLP Act 2008 — files ITR-5.

    LRS

    Liberalised Remittance Scheme — RBI framework for individual foreign remittance.

    Letter M
    MAT

    Minimum Alternate Tax under Section 115JB — 15% of book profit for companies.

    Letter N
    New Tax Regime

    Section 115BAC — lower slab rates without most exemptions; default from AY 2024-25.

    NRI

    Non-Resident Indian — < 182 days in India (with exceptions).

    NSC

    National Savings Certificate — 5-year, interest reinvested qualifies under 80C.

    Read full guide →
    NPS

    National Pension System — 80CCD(1)/(1B)/(2) eligible.

    Read full guide →
    Letter O
    Old Tax Regime

    Traditional tax regime with all Chapter VI-A deductions and exemptions.

    Letter P
    Previous Year

    Section 3 definition — same as Financial Year for tax purposes; the year in which income is earned.

    PAN

    Permanent Account Number — 10-character alphanumeric ID issued by CBDT under Section 139A.

    Perquisite

    Non-cash benefit from employer — valued under Rule 3.

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    Partition

    Splitting of HUF property — taxable event under Section 47.

    Partner's Capital

    Capital contribution by partner — interest up to 12% deductible under 40(b).

    Presumptive Scheme

    Deemed profit computation without maintaining books.

    PF

    Provident Fund — 12% employee + 12% employer contribution.

    PPF

    Public Provident Fund — 15-year EEE scheme, 80C eligible.

    Read full guide →
    Letter R
    ROR

    Resident and Ordinarily Resident — taxed on worldwide income.

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    RNOR

    Resident but Not Ordinarily Resident — taxed only on India source and specified foreign income.

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    RSU

    Restricted Stock Units — taxed as salary at vest and capital gain at sale.

    Letter S
    Self Assessment Tax

    Balance tax paid via Challan 280 before ITR filing under Section 140A.

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    Section 234A

    Interest on late filing — 1% per month on unpaid tax from due date till filing.

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    Section 234B

    Interest on unpaid advance tax — 1% per month from 1 April of AY.

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    Section 234C

    Interest on advance tax instalment shortfall — 1% × 3 months per instalment.

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    Section 234F

    Late-filing fee — ₹5,000 (₹1,000 if income < ₹5L).

    Read full guide →
    Section 44AD

    Presumptive scheme — 6% (digital) / 8% deemed profit for business up to ₹3 Cr turnover.

    Section 44ADA

    Presumptive scheme for professionals — 50% deemed profit up to ₹75L receipts.

    Section 44AE

    Presumptive for goods carriage owners — ₹7,500/tonne/month per vehicle (≤10 vehicles).

    Section 44AB

    Tax audit by CA when business turnover > ₹1 Cr (₹10 Cr digital) or profession > ₹75L.

    Read full guide →
    Section 44AA

    Books of accounts requirement thresholds for business/profession.

    Section 80C

    Deduction up to ₹1.5L for PPF, EPF, ELSS, LIC, home-loan principal etc. — old regime only.

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    Section 80D

    Health insurance premium deduction — ₹25k/₹50k self, ₹25k/₹50k parents.

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    Section 80CCD(1B)

    Additional NPS deduction of ₹50k over and above 80C — old regime only.

    Read full guide →
    Section 80CCD(2)

    Employer NPS contribution deduction up to 10% (14% central govt) — both regimes.

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    Section 80G

    Deduction for donations to charitable institutions — 50%/100% with/without cap.

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    Section 80TTA

    ₹10k deduction on savings interest for non-seniors — old regime.

    Section 80TTB

    ₹50k deduction on FD + savings interest for senior citizens — old regime.

    Section 80E

    Deduction for education loan interest — 8 years, no cap on amount.

    Section 80EE

    First-time home buyer additional ₹50k interest deduction (loans sanctioned FY 16-17).

    Section 80EEA

    Affordable housing additional ₹1.5L interest deduction (loans sanctioned FY 19-22).

    Section 24(b)

    Home-loan interest deduction — ₹2L (self-occupied), unlimited (let-out).

    Read full guide →
    Section 10(13A)

    House Rent Allowance exemption — min of three formulas.

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    Section 10(5)

    LTA exemption — twice in a block of four years within India.

    Read full guide →
    Section 87A

    Rebate of ₹12,500 (old) / ₹25,000 (new AY 24-25) if total income ≤ ₹7L (new).

    Surcharge

    Additional tax on tax — 10% at >₹50L, 15% at >₹1Cr, 25% at >₹2Cr, 37% at >₹5Cr (old); capped 25% in new regime.

    Section 115BAA

    22% flat corporate tax without exemptions — one-time irrevocable option.

    Section 115BAB

    15% flat for new manufacturing companies incorporated after 1 Oct 2019.

    Section 80-IAC

    3-year tax holiday for DPIIT-recognised startups within first 10 years.

    Section 80JJAA

    Deduction of 30% × new employee salary for 3 years.

    STCG

    Short-Term Capital Gains — asset held below prescribed period.

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    Section 111A

    STCG on listed equity taxed at 15%.

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    Section 112A

    LTCG on listed equity > ₹1L taxed at 10% (no indexation).

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    Section 112

    LTCG on other assets — 20% with indexation.

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    Section 54

    LTCG exemption on residential property reinvested in another residential property.

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    Section 54F

    LTCG on any long-term asset exempt if reinvested in residential property.

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    Section 54EC

    LTCG on land/building reinvested in NHAI/REC bonds — up to ₹50L/FY.

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    Section 194

    10% TDS on dividend above ₹5,000/FY.

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    Section 194A

    10% TDS on interest other than securities (bank interest, unsecured loans).

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    Section 194C

    1%/2% TDS on contractor payments.

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    Section 194H

    5% TDS on commission and brokerage.

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    Section 194I

    10% TDS on rent (building/land) above ₹2.4L/year.

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    Section 194IB

    5% TDS on rent by individual/HUF above ₹50k/month.

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    Section 194J

    10% TDS on professional/technical fees above ₹30k/year.

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    Section 194Q

    0.1% TDS on purchase of goods above ₹50L/year.

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    Section 194O

    1% TDS by e-commerce operator on gross sale to seller.

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    Section 194R

    10% TDS on benefits or perquisites arising from business/profession above ₹20k.

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    Section 194S

    1% TDS on VDA (crypto) transactions.

    Read full guide →
    Section 195

    TDS on payments to non-residents at DTAA or applicable Act rate.

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    Section 197

    Nil / lower TDS certificate application via TRACES.

    Schedule FA

    Foreign Assets schedule in ITR-2/3 — mandatory for RORs.

    Read full guide →
    Schedule AL

    Assets & Liabilities schedule required if total income > ₹50L.

    Section 5

    Scope of total income based on residential status.

    Section 6

    Residential status determination based on days in India.

    Section 89

    Relief on salary arrears / advance / gratuity — Form 10E.

    Read full guide →
    Section 10(10)

    Gratuity exemption — up to ₹20L for private employees.

    Section 10(10AA)

    Leave encashment exemption — ₹25L for non-govt employees.

    Standard Deduction

    Flat deduction from salary — ₹50k (old) / ₹75k (new AY 25-26).

    Section 16(ia)

    Section for standard deduction from salary income.

    Section 234

    Interest on delays in filing / advance tax / instalments.

    Read full guide →
    Section 270A

    Under-reporting penalty — 50% (misreporting 200%).

    Section 271A

    Penalty for failing to maintain books of accounts under 44AA.

    Section 271B

    Penalty for skipping tax audit — 0.5% of turnover, max ₹1.5L.

    Read full guide →
    Section 271F

    Late filing penalty (replaced by 234F for individuals).

    Section 271H

    Penalty for late TDS return filing — ₹10k to ₹1L.

    Section 276CC

    Prosecution for wilful failure to file ITR — 3 months to 2 years.

    Section 132

    Search and seizure authority.

    Section 133A

    Survey provisions for the department.

    Section 143(1)

    Intimation after processing — usually within 9 months of filing.

    Section 143(1)(a)

    Intimation for arithmetic error / AIS mismatch / disallowed claim.

    Section 143(2)

    Notice for scrutiny assessment — issued within 3 months of AY end.

    Section 143(3)

    Scrutiny assessment order.

    Section 144

    Best judgement assessment when taxpayer fails to comply.

    Section 148

    Notice for reassessment / income escaping assessment.

    Section 156

    Notice of demand under intimation / assessment.

    Section 154

    Rectification of mistake apparent from record.

    Section 245

    Refund adjustment against outstanding demand.

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    Section 244A

    Interest on delayed refund — 0.5% per month.

    Read full guide →
    Section 139(1)

    Original ITR filing due date provision.

    Section 139(4)

    Belated return provision.

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    Section 139(5)

    Revised return provision.

    Read full guide →
    Section 139(8A)

    Updated return (ITR-U) provision.

    Read full guide →
    Section 139(9)

    Defective return notice provision.

    Section 139AA

    PAN-Aadhaar linking mandate.

    Read full guide →
    Section 40(b)

    Partner remuneration / interest deduction limits for firms.

    Section 40A(3)

    Cash payment above ₹10k/day disallowance.

    Section 43B

    Certain expenses deductible only on actual payment.

    Section 43B(h)

    MSME payment within 45 days rule — else disallowance.

    Section 43(5)

    Speculative business — F&O treated as non-speculative business.

    Section 32(1)(iia)

    Additional 20% depreciation for new plant & machinery.

    Section 35

    R&D expenditure — 100% deduction (150% earlier).

    Section 35(2AB)

    Weighted deduction for in-house R&D (approved by DSIR).

    Section 35AD

    Investment-linked deduction for specified businesses.

    Section 36(1)(iva)

    Employer's contribution to superannuation fund.

    Section 37

    General business expenditure deduction — wholly and exclusively for business.

    Section 41(1)

    Cessation of trading liability — taxable in year of cessation.

    Section 45

    Charging section for capital gains.

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    Section 47

    Transactions not regarded as transfer — gifts, HUF partition, amalgamation.

    Section 49

    Cost of acquisition in specific cases — gift, inheritance, partition.

    Section 50

    Depreciable assets — always short-term capital gain.

    Section 50AA

    Debt MF from 1 Apr 2023 — always taxable at slab.

    Section 55(2)

    Cost of acquisition — FMV as on 1 April 2001 for pre-2001 assets.

    Section 56(2)(x)

    Gifts above ₹50k from non-relatives taxable as OS.

    Read full guide →
    Section 56(2)(viib)

    Angel tax — share premium above FMV in unlisted company.

    Section 57

    Deductions from Income from Other Sources.

    Section 60

    Transfer of income without transfer of asset — clubbed.

    Section 64

    Clubbing of income — spouse, minor child.

    Section 70

    Set-off of loss within same head.

    Section 71

    Set-off of loss across heads (except capital gains).

    Section 72

    Carry-forward of business loss — 8 years.

    Section 73

    Speculative loss — 4 years, only against speculative.

    Section 73A

    Specified business loss — indefinite carry-forward.

    Section 74

    Capital loss carry-forward — 8 years.

    Section 74A

    Race horse loss carry-forward — 4 years.

    Section 79

    Change of shareholding — loss carry-forward restriction (closely-held companies).

    Section 80AC

    Deductions available only if ITR filed within due date.

    Section 87

    Marginal relief on rebate under 87A.

    Section 90

    DTAA relief — bilateral agreement.

    Read full guide →
    Section 91

    Unilateral relief — credit method for non-treaty countries.

    Read full guide →
    Section 92

    Transfer pricing — arm's-length principle.

    Section 94B

    Thin capitalisation — interest deduction cap for multinationals.

    Section 115BB

    Lottery / gaming winnings — 30% flat, no deduction.

    Read full guide →
    Section 115BBH

    VDA (crypto) income — 30% flat, no deduction.

    Section 115H

    Continued NRI benefits for the year of return.

    Section 115JC

    Alternate Minimum Tax for LLPs and other non-corporates.

    Section 115JB

    Minimum Alternate Tax for companies.

    Section 115VA

    Tonnage tax scheme for shipping companies.

    Section 111

    Return of income tax — accumulated profits distribution.

    Section 55(2)(aa)

    Cost of bonus shares — nil.

    Section 55(2)(ab)

    Cost of split shares — proportionate.

    Section 2(29A)

    Long-term capital asset definition.

    Section 2(42A)

    Short-term capital asset definition.

    Section 2(47)

    Transfer — includes sale, exchange, relinquishment, extinguishment.

    Section 45(4)

    Distribution of assets on firm dissolution — deemed transfer.

    Section 45(5A)

    Joint development agreement — capital gain in year of completion certificate.

    Startup

    Entity meeting DPIIT criteria — eligible for 80-IAC tax holiday.

    Section 80EEB

    Deduction up to ₹1.5L for electric vehicle loan interest.

    Speakable Schema

    Structured data telling voice assistants which paragraphs to read.

    Section 194P

    Exemption from filing ITR for super-seniors (75+) with pension + interest from same bank.

    Section 194N

    2% TDS on cash withdrawal above ₹1 Cr (₹20L for non-filers).

    Section 194M

    5% TDS on personal payments to professionals/contractors above ₹50L.

    Section 194K

    10% TDS on mutual fund income above ₹5,000.

    Section 206AA

    Higher TDS at 20% for missing PAN / inoperative PAN.

    Read full guide →
    Section 206AB

    Higher TDS for non-filers of ITR.

    Section 206C(1H)

    0.1% TCS on sale of goods above ₹50L (superseded by 194Q for buyer).

    Section 206C(1G)

    5% TCS on foreign remittance under LRS above ₹7L.

    Section 44BB

    Presumptive scheme for foreign shipping / air companies.

    Slab Rates

    Tax rates applied progressively based on income brackets.

    SCSS

    Senior Citizens Savings Scheme — 80C eligible, interest taxable.

    Sukanya Samriddhi

    Girl-child savings scheme — 80C, EEE status.

    Read full guide →
    Letter T
    TAN

    Tax Deduction Account Number — 10-character ID required for deductors under Section 203A.

    TIS

    Taxpayer Information Summary — head-wise aggregate derived from AIS.

    Read full guide →
    TDS

    Tax Deducted at Source — tax withheld by payer under Chapter XVII-B and deposited with government.

    Read full guide →
    TCS

    Tax Collected at Source under Section 206C — collected by seller on specified goods (scrap, forest produce, etc.).

    Read full guide →
    TRC

    Tax Residency Certificate — required for DTAA relief.

    Read full guide →
    Letter V
    VDA

    Virtual Digital Asset — crypto / NFT under Section 2(47A).

    VPF

    Voluntary Provident Fund — additional employee PF contribution.

    Letter W
    WDV

    Written Down Value — depreciated value of block of assets.

    Last Updated
    15 September 2026

    Content refreshed against the latest CBIC / CBDT / MCA notifications and portal changes.

    Reviewed by Chartered Accountant
    CA Ravi Sharma

    Chartered Accountant · ICAI Member · 12+ years in Indian tax & compliance

    Update History
    1. 15 September 2026
      Reviewed rates, forms and portal workflow for Income Tax Glossary. Verified against latest CBIC/CBDT notifications.
    2. 10 January 2026
      Refreshed FAQ set, added new penalty examples and jurisdiction notes.
    3. 05 October 2025
      Structural rewrite for EEAT — added expert commentary, playbooks and process timeline.