๐Ÿ“Š Direct Tax ยท CBDT

Income Tax Act 1961 / 2025

Tax on income from salary, business, capital gains, house property and other sources. IT Act 1961 governs up to AY 2025-26 (FY 2024-25). IT Act 2025 applies from Tax Year 2026-27 (AY 2026-27 onwards), effective 1 April 2026.

819โ†’536Sections (1961โ†’2025)
1 Apr 2026IT Act 2025 Effective
CBDTAdministering Body
5Heads of Income
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Select a topic above. All panels show both IT Act 1961 section and IT Act 2025 equivalent section.

๐Ÿ’ฐ

Tax Slabs & Rates

Old & New regime

๐Ÿ‘”

Salary Income

HRA, standard deduction

๐Ÿ 

House Property

Rental income, loss

๐Ÿ’ผ

Business & Profession

Presumptive taxation

๐Ÿ“ˆ

Capital Gains

STCG, LTCG rates

๐Ÿงพ

Deductions (Old Regime)

80C to 80U

โœ‚๏ธ

TDS Key Rates

Section-wise rates

๐Ÿ“‹

ITR Forms

Which form to use

๐Ÿ—“๏ธ

Advance Tax

Instalments & dates

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Compliance Calendar

All key due dates

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Official Links

Govt portals

Income Tax

Tax Slabs & Rates

Both regimes remain available for individuals. IT Act 2025 renumbers sections but rates are unchanged. New regime is the default from TY 2026-27.

โœ“ Budget 2026 โ€” No Changes to Tax SlabsUnion Budget 2026 (February 2026) confirmed NO changes to income tax slabs, rebate limits, or standard deduction for FY 2026-27. The enhanced rebate of โ‚น60,000 (zero tax up to โ‚น12 lakh under new regime) continues unchanged. IT Act 2025 is revenue-neutral โ€” same rates, just renumbered sections.

IT Act 1961 โ†’ IT Act 2025 โ€” Section Mapping

From 1 April 2026, IT Act 2025 replaces IT Act 1961 for new transactions. The new tax regime moves from Sec 115BAC (1961) โ†’ Sec 202 (2025). The rebate under Sec 87A (1961) โ†’ Sec 159 (2025). Tax rates are unchanged.

Sec 202 Sec 115BAC Sec 159 Sec 87A Sec 204 Sec 115BAB Effective: 1 April 2026

New Tax Regime โ€” Default Sec 115BAC / IT Act 1961โ†’Sec 202 / IT Act 2025

Income SlabRateFY 2025-26 / IT Act 1961 (AY 2025-26)TY 2026-27 / IT Act 2025 (AY 2026-27)
Nil slabNilUp to โ‚น3,00,000Up to โ‚น4,00,000
5%5%โ‚น3,00,001 โ€“ โ‚น7,00,000โ‚น4,00,001 โ€“ โ‚น8,00,000
10%10%โ‚น7,00,001 โ€“ โ‚น10,00,000โ‚น8,00,001 โ€“ โ‚น12,00,000
15%15%โ‚น10,00,001 โ€“ โ‚น12,00,000โ‚น12,00,001 โ€“ โ‚น16,00,000
20%20%โ‚น12,00,001 โ€“ โ‚น15,00,000โ‚น16,00,001 โ€“ โ‚น20,00,000
25% (new slab)25%โ€”โ‚น20,00,001 โ€“ โ‚น24,00,000
30%30%Above โ‚น15,00,000Above โ‚น24,00,000
Rebate โ€” Sec 87A (IT Act 1961) / Sec 159 (IT Act 2025)New regime: Full tax rebate up to โ‚น60,000 for income โ‰ค โ‚น12,00,000. Effective zero tax up to โ‚น12 lakh. Old regime: Rebate up to โ‚น12,500 for income โ‰ค โ‚น5,00,000.

Old Tax Regime โ€” Optional First Schedule / IT Act 1961โ†’First Schedule / IT Act 2025

Income SlabBelow 60 yrsSenior (60โ€“80 yrs)Super Senior (80+)
Up to โ‚น2,50,000NilNilNil
โ‚น2,50,001 โ€“ โ‚น3,00,0005%NilNil
โ‚น3,00,001 โ€“ โ‚น5,00,0005%5%Nil
โ‚น5,00,001 โ€“ โ‚น10,00,00020%20%20%
Above โ‚น10,00,00030%30%30%

Surcharge & Cess

Total IncomeSurcharge RateProvision
Up to โ‚น50 lakhNilโ€”
โ‚น50 lakh โ€“ โ‚น1 crore10%Sec 2(9) 1961 โ†’ Sec 2(29) 2025
โ‚น1 crore โ€“ โ‚น2 crore15%Same
โ‚น2 crore โ€“ โ‚น5 crore25%Same
Above โ‚น5 crore37% (New regime: 25%)Same

Health & Education Cess: 4% on (income tax + surcharge). Applicable under both Acts.

Corporate Tax Rates

Company TypeRateIT Act 2025IT Act 1961
Domestic (turnover โ‰ค โ‚น400 Cr)25%Sec 115BASec 203
Domestic (turnover > โ‚น400 Cr)30%Sec 4First Schedule
New mfg. company15%Sec 115BABSec 204
Foreign Company40%Sec 4First Schedule
Income Tax

Salary Income

Income taxable under the head "Salaries". Sections are renumbered but provisions are identical under IT Act 2025.

IT Act 1961 โ†’ IT Act 2025 โ€” Salary Section Mapping

The substantive provisions for salary income are retained but renumbered in IT Act 2025.

Sec 15 (Basis of charge) โ†’ Sec 15 Sec 16 (Deductions) โ†’ Sec 20 Sec 17 (Perquisites) โ†’ Sec 17 Sec 10(13A) HRA โ†’ Sec 16(3) Sec 10(5) LTA โ†’ Sec 16(8) Effective: 1 April 2026

Standard Deduction Sec 16(ia) / 1961โ†’Sec 20(a) / 2025

RegimeAmountIT Act 2025IT Act 1961
New Regime (default)โ‚น75,000Sec 16(ia)Sec 20(a)
Old Regime (optional)โ‚น50,000Sec 16(ia)Sec 20(a)
Professional TaxActual paidSec 16(iii)Sec 20(c)
Entertainment Allowance (Govt only)Least of 20% salary / โ‚น5,000 / actualSec 16(ii)Sec 20(b)

HRA Exemption Sec 10(13A) / 1961โ†’Sec 16(3) / 2025

Exemption = Least of the following 3: 1. Actual HRA received from employer
2. 50% of basic salary + DA (metro) or 40% (non-metro)
3. Rent paid โˆ’ 10% of basic salary + DA

Metro cities: Delhi, Mumbai, Kolkata, Chennai. If rent > โ‚น1 lakh/year โ€” landlord PAN mandatory.
Note: HRA exemption is NOT available under the New Tax Regime.

Leave Travel Allowance (LTA) Sec 10(5) / 1961โ†’Sec 16(8) / 2025

Conditions for exemption: Covers actual travel cost for employee + family. Air: economy class fare. Rail/road: first-class AC fare. Claimable 2 times in a 4-year block. Current block: 2026โ€“2029 (effective 1 January 2026). Previous block 2022โ€“2025 ended. Not available under New Regime.

Key Perquisites Sec 17(2) / 1961โ†’Sec 17(2) / 2025

PerquisiteTaxabilityValuation
Rent-free accommodation (Govt)Exemptโ€”
Rent-free accommodation (Others)Taxable15% of salary (metro) / 7.5% (non-metro)
Car โ€” provided by employer (personal use, up to 1600cc)Taxableโ‚น1,800/month + โ‚น900 (with driver)
Car โ€” provided by employer (personal use, above 1600cc)Taxableโ‚น2,400/month + โ‚น900 (with driver)
Meals in office (โ‰ค โ‚น50/meal)Exemptโ€”
Gift / voucher from employerExempt up to โ‚น5,000โ€”
Laptop / computer โ€” official useExemptโ€”
Employee stock options (ESOP) on exerciseTaxable as perquisiteFMV โˆ’ exercise price at exercise date
Income Tax

House Property Income

Income from let-out or deemed let-out property taxed under "Income from House Property". Sections largely retained with minor renumbering.

IT Act 1961 โ†’ IT Act 2025 โ€” House Property Section Mapping

Sec 22 (Basis of charge) โ†’ Sec 22 Sec 23 (Annual value) โ†’ Sec 23 Sec 24 (Deductions) โ†’ Sec 25 Sec 26 (Co-owners) โ†’ Sec 26 Effective: 1 April 2026

๐Ÿ  Self-Occupied Property (SOP) Sec 23(2) / 1961โ†’Sec 23(2) / 2025

  • Annual value = Nil
  • Max 2 properties treated as SOP
  • Home loan interest deduction โ€” up to โ‚น2,00,000 per year (Old regime only)
  • New regime โ€” NO interest deduction on SOP
  • Pre-construction interest: 5 equal instalments from year of completion

๐Ÿข Let-Out Property Sec 23(1) / 1961โ†’Sec 23(1) / 2025

  • Annual value = Gross Annual Value โˆ’ Municipal taxes
  • Standard deduction = 30% of Net Annual Value Sec 24(a) โ†’ Sec 25(a)
  • Home loan interest โ€” full deduction (no limit) Sec 24(b) โ†’ Sec 25(b)
  • Municipal tax paid โ€” fully deductible
  • Loss set-off against other heads โ€” up to โ‚น2 lakh

Set-Off and Carry Forward of Loss Sec 71 / 1961โ†’Sec 96 / 2025

Loss TypeSet-Off (same year)Carry Forward Period
HP loss โ€” Old RegimeSet off against any income โ€” max โ‚น2 lakh in same yearBalance carried forward 8 years โ€” only vs HP income
HP loss โ€” New RegimeโŒ Cannot set off against any other income headCarried forward 8 years โ€” only vs future HP income
HP loss exceeding โ‚น2 lakh (Old Regime)Not set off in same year8 years โ€” only vs HP income
โš  New Regime RestrictionUnder new tax regime: No deduction for home loan interest on self-occupied property. House property loss CANNOT be set off against other income โ€” only carried forward against future HP income.

๐Ÿ“Ž Official Sources

Income Tax

Business & Profession Income

Profits from business or professional activity. Presumptive taxation schemes available for eligible taxpayers to simplify compliance.

IT Act 1961 โ†’ IT Act 2025 โ€” Business Section Mapping

Sec 28 (Chargeable income) โ†’ Sec 28 Sec 36 (Deductions) โ†’ Sec 36 Sec 37 (General deductions) โ†’ Sec 37 Sec 40A(3) (Cash limit) โ†’ Sec 40A(3) Sec 44AB (Audit) โ†’ Sec 44AB Sec 44AD Sec 44AD Sec 44ADA Sec 44ADA Effective: 1 April 2026

Presumptive Taxation Schemes

SchemeIT Act 2025IT Act 1961Eligible TaxpayersTurnover LimitDeemed Profit
BusinessSec 44ADSec 44ADResident Individual, HUF, Firmโ‰ค โ‚น2 Cr (โ‚น3 Cr if 95%+ digital)8% (cash) / 6% (digital)
ProfessionSec 44ADASec 44ADADoctor, CA, Lawyer, Engineer etc.โ‰ค โ‚น75L (โ‚น1.5 Cr if 95%+ digital)50% of gross receipts
Goods carriageSec 44AESec 44AEGoods carriage owners (โ‰ค 10 vehicles)โ€”โ‚น1,000/tonne (heavy) / โ‚น7,500/vehicle

Tax Audit Applicability Sec 44AB / 1961โ†’Sec 44AB / 2025

Taxpayer TypeAudit Required if Turnover Exceeds
Businessโ‚น1 crore (or โ‚น10 crore if 95%+ transactions digital)
Professionโ‚น50 lakh
Presumptive scheme opted but profit < prescribed rateMandatory regardless of turnover

Key Expense โ€” Cash Payment Restriction Sec 40A(3) / 1961โ†’Sec 40A(3) / 2025

DisallowanceAny single cash payment exceeding โ‚น10,000 in a day to a single person is 100% disallowed as business expense. Limit is โ‚น35,000 for payments to transporters. Always pay by cheque / digital for amounts above โ‚น10,000.

๐Ÿ“Ž Official Sources

Income Tax

Capital Gains

Tax on profit from sale of capital assets โ€” property, shares, mutual funds, gold, bonds. Revised by Finance Bill 2024 (effective 23 July 2024).

IT Act 1961 โ†’ IT Act 2025 โ€” Capital Gains Section Mapping

Sec 45 (Chargeability) โ†’ Sec 45 Sec 48 (Computation) โ†’ Sec 48 Sec 54 (Property exemption) โ†’ Sec 56 Sec 54EC (Bond investment) โ†’ Sec 58 Sec 54F (Non-property assets) โ†’ Sec 57 Sec 111A (STCG listed) โ†’ Sec 114 Sec 112A (LTCG listed) โ†’ Sec 115 Effective: 1 April 2026
โšก Finance Bill 2024 โ€” Effective 23 July 2024LTCG rate changed to 12.5% for all assets (was 20% for property/gold). STCG on listed equity changed to 20% (was 15%). Indexation removed for property sold on/after 23 July 2024. For property sold before that โ€” old rates and indexation benefit apply.

Holding Period & Tax Rates

Asset TypeLTCG Holding Period STCG RateIT Act 2025IT Act 1961 LTCG RateIT Act 2025IT Act 1961
Listed equity / equity MF> 12 months20%Sec 111ASec 11412.5% (above โ‚น1.25L)Sec 112ASec 115
Unlisted shares / Debt MF> 24 monthsSlab ratesSec 48Sec 4812.5%Sec 112Sec 113
Immovable Property> 24 monthsSlab ratesSec 48Sec 4812.5% (no indexation)Sec 112Sec 113
Gold / Jewellery> 24 monthsSlab ratesSec 48Sec 4812.5%Sec 112Sec 113
Bonds (listed)> 12 monthsSlab ratesโ€”โ€”12.5%Sec 112Sec 113

Capital Gains Exemptions โ€” Invest to Save Tax

IT Act 2025IT Act 1961Invest inLimitTimeline
Sec 54Sec 56Residential house (from property sale)No limit (1 house only)Buy within 2 yrs / construct 3 yrs
Sec 54FSec 57Residential house (from non-property sale)Full proceeds reinvestedBuy 1 yr before / 2 yrs after
Sec 54ECSec 58NHAI / REC bondsโ‚น50 lakhWithin 6 months; 5-year lock-in
Sec 54BSec 59Agricultural landNo limitWithin 2 years
Capital Gains Account Scheme (CGAS)Cannot invest before ITR due date? Deposit gains in CGAS at a designated bank. Use within prescribed period to claim exemption. Governed by Sec 54 / Sec 56 (IT Act 2025).
Income Tax โ€” Old Regime Only

Deductions โ€” Chapter VI-A (80C to 80U)

Deductions reduce taxable income. Available only under Old Tax Regime. Sections are renumbered in IT Act 2025 (Chapter VIII).

IT Act 1961 โ†’ IT Act 2025 โ€” Deduction Section Mapping

Sec 123 Sec 80C Sec 124 Sec 80CCC Sec 125 Sec 80CCD Sec 126 Sec 80D Sec 128 Sec 80E Sec 130 Sec 80G Sec 136 Sec 80TTA Sec 137 Sec 80TTB Sec 144 Sec 80U Chapter VI-A โ†’ Chapter VIII Effective: 1 April 2026
โš  New Regime RestrictionChapter VI-A deductions (80C, 80D, 80G etc.) are NOT available under new tax regime. Only exception: Sec 80CCD(2) / Sec 125(2) โ€” employer's NPS contribution โ€” allowed in both regimes.
IT Act 2025IT Act 1961Deduction ForMaximum LimitKey Conditions
Sec 80CSec 123Specified investmentsโ‚น1,50,000PPF, ELSS, NSC, Life insurance, home loan principal, EPF, SSY, tuition fees
Sec 80CCCSec 124Pension fund premiumโ‚น1,50,000 (within 80C)LIC or approved pension plan
Sec 80CCD(1)Sec 125(1)Own NPS contribution10% of salary (within 80C total)Tier-I NPS account only
Sec 80CCD(1B)Sec 125(1B)Additional NPSโ‚น50,000 (over and above 80C)Tier-I NPS; separate from โ‚น1.5L cap
Sec 80CCD(2)Sec 125(2)Employer's NPS contribution14% of salary (Govt) / 10% (others)โœ… Available in New Regime also
Sec 80DSec 126Health insurance premiumโ‚น25,000 (self) + โ‚น25,000 (parents) = โ‚น50,000 basic; โ‚น75,000 if only parents are 60+; โ‚น1,00,000 if self/family and parents both 60+Premium paid for self, spouse, children, parents
Sec 80ESec 128Education loan interestNo limit โ€” full interestHigher education of self/spouse/children; max 8 years
Sec 80GSec 130Donations100% or 50% of donationPM Relief Fund (100%), approved charitable trusts (50% with 10% ATI limit)
Sec 80TTASec 136Savings bank interestโ‚น10,000Individuals & HUF (below 60 yrs)
Sec 80TTBSec 137Interest income (senior citizens)โ‚น1,00,000Residents aged 60+; covers savings, FD, post office. Doubled from โ‚น50,000 โ€” Budget 2025
Sec 80USec 144Taxpayer with disabilityโ‚น75,000 (40-80%) / โ‚น1,25,000 (severe)Disability certificate from prescribed authority required
80C Planning โ€” Practical tipThe โ‚น1.5L cap is shared across 80C + 80CCC + 80CCD(1). Add โ‚น50,000 extra via NPS 80CCD(1B). Total deductions = โ‚น2 lakh from NPS alone. Under IT Act 2025: same limits under Secs 123โ€“125.
Income Tax

TDS โ€” Key Rates (Tax Year 2026-27)

Commonly used TDS sections with IT Act 1961 and IT Act 2025 section mapping. For all 91 TDS/TCS codes, see the TDS/TCS Section Master โ†’

IT Act 1961 โ†’ IT Act 2025 โ€” TDS Section Renumbering

TDS sections 192โ€“196D (IT Act 1961) are consolidated into Sections 392โ€“394 (IT Act 2025). All rates are unchanged for Tax Year 2026-27.

Sec 192 (Salary) โ†’ Sec 392 Sec 193โ€“194X โ†’ Sec 393(1) Sec 195โ€“196D โ†’ Sec 393(2) Special rates โ†’ Sec 393(3) TCS 206C โ†’ Sec 394
IT Act 2025IT Act 1961Nature of PaymentRateThreshold
Sec 192Sec 392SalarySlab ratesAs per regime opted
Sec 193Sec 393(1) Sl.5(i)Interest on securities10%โ‚น10,000
Sec 194ASec 393(1) Sl.5(ii)(b)Interest โ€” bank (non-senior citizen)10%โ‚น50,000
Sec 194ASec 393(1) Sl.5(ii)(a)Interest โ€” bank (senior citizen)10%โ‚น1,00,000
Sec 194CSec 393(1) Sl.6(i)(a)Contractor โ€” Individual / HUF1%โ‚น30,000 per / โ‚น1L aggregate
Sec 194CSec 393(1) Sl.6(i)(b)Contractor โ€” Company / Firm2%โ‚น30,000 per / โ‚น1L aggregate
Sec 194DSec 393(1) Sl.1(i)Insurance commission2%โ‚น20,000
Sec 194HSec 393(1) Sl.1(ii)Commission / brokerage2%โ‚น20,000
Sec 194-I(a)Sec 393(1) Sl.2(ii)(D)(a)Rent โ€” machinery / plant2%โ‚น50,000/month
Sec 194-I(b)Sec 393(1) Sl.2(ii)(D)(b)Rent โ€” land / building10%โ‚น50,000/month
Sec 194-IBSec 393(1) Sl.2(i)Rent paid by Individual/HUF2%โ‚น50,000/month
Sec 194-IASec 393(1) Sl.3(i)Purchase of immovable property1%โ‚น50,00,000
Sec 194J(a)Sec 393(1) Sl.6(iii)(a)Technical services / royalty2%โ‚น50,000
Sec 194J(b)Sec 393(1) Sl.6(iii)(b)Professional services / director fees10%โ‚น50,000
Sec 194QSec 393(1) Sl.8(ii)Purchase of goods0.1%โ‚น50,00,000
Sec 194SSec 393(1) Sl.8(vi)VDA / Crypto transfer1%Nil
Sec 194TSec 393(3) Sl.7Payment to partners of firm10%โ‚น20,000
Sec 195Sec 393(2) Sl.17Payment to non-resident (other)Rates in forceโ€”
Higher TDS โ€” Sec 206AA / Sec 206AB (IT Act 1961) โ†’ Sec 396 / Sec 397 (IT Act 2025)No PAN: TDS at 20% or prescribed rate (whichever is higher). Non-filer (ITR not filed for 2 yrs and TDS > โ‚น50,000): Higher rate applies u/s 206AB / Sec 397 (2025).
Income Tax

ITR Forms โ€” Which Form to Use?

Filing the wrong ITR form makes the return defective. Under IT Act 2025, the same forms continue but references move from Sec 139 to Sec 263.

IT Act 1961 โ†’ IT Act 2025 โ€” ITR Filing Section Mapping

Sec 139(1) (Regular ITR) โ†’ Sec 263(1) Sec 139(4) (Belated return) โ†’ Sec 263(4) Sec 139(5) (Revised return) โ†’ Sec 263(5) Sec 139(8A) (Updated return) โ†’ Sec 263(8) Sec 234F (Late fee) โ†’ Sec 276 Effective: 1 April 2026
ITR FormWho Should FileIncome Sources Covered
ITR-1 (Sahaj)Resident individual; income โ‰ค โ‚น50 lakhSalary, 1 house property, other sources (interest), agriculture โ‰ค โ‚น5,000
ITR-2Individual/HUF โ€” no business incomeAll + capital gains, foreign income, more than 1 house property
ITR-3Individual/HUF โ€” with business/profession incomeAll ITR-2 sources + business/profession
ITR-4 (Sugam)Individual/HUF/Firm โ€” presumptive taxation44AD business / 44ADA profession / 44AE transport โ€” income โ‰ค โ‚น50 lakh
ITR-5Firms, LLPs, AOPs, BOIs, co-opsAll income (not for companies or individuals)
ITR-6Companies (except Sec 11 exemption)All company income
ITR-7Trusts, political parties, research associationsEntities u/s 139(4A/4B/4C/4D) โ€” Sec 263(4Aโ€“4D) in IT Act 2025

ITR Filing Due Dates

TaxpayerDue DateIT Act 2025IT Act 1961
Individual / HUF (no audit)31 JulySec 139(1)Sec 263(1)
Audit cases31 OctoberSec 139(1)Sec 263(1)
Transfer pricing30 NovemberSec 139(1)Sec 263(1)
Belated return31 December of AYSec 139(4)Sec 263(4)
Revised return31 December of AYSec 139(5)Sec 263(5)
Updated returnWithin 24 months from end of AYSec 139(8A)Sec 263(8)
Late Filing Fee โ€” Sec 234F (IT Act 1961) / Sec 276 (IT Act 2025)After due date: โ‚น5,000 late fee. If total income โ‰ค โ‚น5 lakh: โ‚น1,000 only. Plus interest u/s 234A (Sec 273 in IT Act 2025) at 1% per month on unpaid tax.
Income Tax

Advance Tax

Pay tax in instalments during the financial year when total tax liability exceeds โ‚น10,000 after TDS. Identical under both Acts โ€” only section numbers change.

IT Act 1961 โ†’ IT Act 2025 โ€” Advance Tax Section Mapping

Sec 207 (Liability) โ†’ Sec 249 Sec 208 (Conditions) โ†’ Sec 250 Sec 211 (Instalments) โ†’ Sec 253 Sec 234B (Default) โ†’ Sec 274 Sec 234C (Deferment) โ†’ Sec 275 Effective: 1 April 2026

Instalment Schedule Sec 211 / 1961โ†’Sec 253 / 2025

InstalmentDue Date% of Total Tax (Normal)% of Total Tax (Presumptive 44AD/ADA)
1st15 June15%โ€”
2nd15 September45% (cumulative)โ€”
3rd15 December75% (cumulative)โ€”
Final15 March100%100% by 15 March

Sec 234B / Sec 274 (2025) โ€” Default

If advance tax paid < 90% of assessed tax โ€” interest at 1% per month from 1 April of AY till actual payment date.

Sec 234C / Sec 275 (2025) โ€” Deferment

If each instalment is short โ€” interest at 1% per month for 3 months (1 month for last instalment) on the shortfall.

Safe harbourIf advance tax paid โ‰ฅ 90% of total tax โ€” no interest u/s 234B / Sec 274. Salaried employees: if employer deducts TDS on full salary, advance tax obligation is usually covered automatically.
Income Tax

Compliance Calendar โ€” Key Due Dates

Key due dates for income tax compliance. From FY 2026-27, section references shift to IT Act 2025. Always verify on the official e-filing portal as dates may be extended by CBDT notification.

DateComplianceWhoIT Act 2025IT Act 1961
15 June1st Advance Tax Instalment (15%)All advance tax payersSec 211Sec 253
31 JulyITR Filing โ€” non-audit casesIndividuals, HUF, AOP, BOISec 139(1)Sec 263(1)
15 September2nd Advance Tax Instalment (45% cumulative)AllSec 211Sec 253
30 SeptemberTax Audit Report (Form 3CA/3CB + 3CD)Audit casesSec 44ABSec 44AB
31 OctoberITR Filing โ€” Audit casesBusinesses, firms, companiesSec 139(1)Sec 263(1)
30 NovemberITR Filing โ€” Transfer pricingInternational transaction entitiesSec 139(1)Sec 263(1)
15 December3rd Advance Tax Instalment (75% cumulative)AllSec 211Sec 253
31 DecemberBelated / Revised ITRMissed July 31 deadlineSec 139(4)/(5)Sec 263(4)/(5)
15 MarchFinal Advance Tax Instalment (100%)AllSec 211Sec 253
31 MarchUpdated return (previous 2 AYs)All eligible taxpayersSec 139(8A)Sec 263(8)

TDS Deposit & Return Due Dates Sec 200 / 1961โ†’Sec 394A / 2025

DeductorDeposit Due DateQuarterly Return
Government officesSame day as deductionQ1: 31 Jul ยท Q2: 31 Oct ยท Q3: 31 Jan ยท Q4: 31 May
Others (non-government)7th of following month; March TDS โ†’ 30 AprilSame as above
โš  Consequences of TDS DefaultLate deposit: Interest at 1.5%/month โ€” Sec 201A / Sec 395A (2025). Late return: โ‚น200/day โ€” Sec 234E / Sec 277A (2025). Failure to deduct: 30% of related expense disallowed โ€” Sec 40(a)(ia) / Sec 40(a)(ia) (2025).