AY 2026-27 & AY 2027-28 CPC Enforcement Rules

Section 87A Capital Gains & CPC Demand Notice Calculator

Verified by Senior Chartered Accountant & Direct Tax Specialist
Last Updated: October 2026 (Reflecting Finance (No. 2) Act 2024 & CPC Processing Directives)

The Section 87A rebate on capital gains allows resident Indian taxpayers earning up to ₹7 Lakhs (New Regime) or ₹5 Lakhs (Old Regime) a tax rebate up to ₹25,000. However, the Income Tax Department CPC automated utility strictly denies Section 87A against special-rate capital gains (STCG Section 111A @ 20% and LTCG Section 112A @ 12.5%), issuing Section 143(1) tax demand notices with Sections 234B/234C interest.

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Tax Filing & Income Parameters

AY 2026-27 & AY 2027-28

1. Normal Slab Incomes

₹
₹0₹25,00,000

Eligible for ₹75,000 Standard Deduction under Section 115BAC.

₹
₹0₹15,00,000

Taxed at progressive slab rates (not at special flat rates).

2. Special Rate Capital Gains (The Trigger for 87A Denial)

₹
₹0₹5,00,000

Listed equity shares or equity funds held <= 12 months. Taxed at flat 20% (Budget 2024).

₹
₹0₹10,00,000

Listed equity held > 12 months. First ₹1,25,000 is tax-free; excess is taxed at 12.5%.

₹
₹0₹10,00,000

Real estate / unlisted shares taxed at flat 12.5% without indexation.

3. TDS Paid & Demand Notice Interest Parameters

₹
₹0₹2,00,000

TDS on salary or advance tax paid. Offsets assessed tax before interest is calculated.

Mos
1 Mos12 Mos

Number of months from April 1 of AY till date of CPC Section 143(1) intimation (1% / mo).

CPC Tax Trap Warning: ₹₹10,000 87A Rebate Denied!

Commercial filing software initially showed ₹0 tax under Section 87A. However, the Income Tax Department CPC automated utility has disallowed Section 87A rebate against your special rate gains. You are assessed ₹₹11,232 in tax and penalty interest!

Official CPC AssessmentDemand Notice

Final CPC Demand Payable

₹11,232
Promised by Portal₹0Software assumed ₹0
87A Rebate Denied₹10,000Denied on special gains
Gross Assessed Tax₹10,400Tax + 4% cess
Penalty Interest₹832Sec 234B (5m) + 234C
CPC automated utility restricts Section 87A rebate strictly to normal slab income, disallowing it against STCG 111A and LTCG 112A.

Tax Liability Composition

Gross Assessed: ₹₹10,400
Total Payable₹11,232
Normal Slab Tax
₹15,000(57.2%)
STCG 111A Tax (20%)
₹10,000(38.1%)
4% Cess
₹400(1.5%)
Interest (234B + 234C)
₹832(3.2%)
Normal Slab Tax (Before 87A):₹₹15,000
87A Rebate Allowed (Normal Only):-₹₹15,000
Special Rate Tax (STCG + LTCG):+₹₹10,000
Health & Education Cess (4%):+₹₹400
Interest u/s 234B & 234C:+₹₹832
Quick Actions:

The Tax Portal Estimate vs. Official CPC Reality Comparison

Calculation Step / MetricSoftware Estimate (ClearTax / Quicko)Official CPC Assessment UtilityStatutory Explanation
Normal Taxable Income₹₹6,00,000₹₹6,00,000Gross salary minus ₹₹75,000 standard deduction
Special Rate Capital Gains₹₹50,000₹₹50,000STCG 111A (20%) + LTCG 112A above ₹1.25L exemption
Total Taxable Income₹₹6,50,000₹₹6,50,000Eligible for Section 87A (<= ₹₹7,00,000)
Base Tax (Normal + Special)₹₹25,000₹₹25,000Slab tax (₹₹15,000) + Special tax (₹₹10,000)
Section 87A Rebate Applied₹₹25,000 (Full 100%)₹₹15,000 (Normal Tax Only)₹₹10,000 rejected on special-rate gains by CPC
Health & Education Cess (4%)₹₹0₹₹400Calculated on post-rebate assessed tax
Interest u/s 234B & 234C₹0₹₹832Default & deferment in advance tax payment
Final Tax Payable₹₹0₹₹11,232Surprise Demand: ₹₹11,232
How Section 87A Rebate on Capital Gains is Calculated (Official Rules & CPC Logic)

The disconnect between commercial filing software and the Income Tax Department's Central Processing Centre (CPC) arises from how the statutory code segregates normal slab incomes from special-rate capital gains:

Rule 1 • Income Segregation

Normal Slab vs. Special Rate Taxes

Gross salary (less ₹75,000 standard deduction) and interest are taxed under progressive slab rates (5% to 30%). In contrast, equity STCG (Section 111A) is taxed at a flat 20%, and equity LTCG (Section 112A) is taxed at 12.5% above ₹1,25,000 exemption.

Rule 2 • Resident Exemption Shift

Unexhausted Basic Exemption Limit

Under the provisos to Sections 111A and 112A, if a resident individual's normal income is less than ₹3,00,000 (New Regime) or ₹2,50,000 (Old Regime), the unused balance reduces the special-rate capital gains before applying the 20% or 12.5% tax rate.

Rule 3 • The CPC 87A Barrier

Rebate Capped Strictly to Normal Tax

The CPC algorithm caps Section 87A rebate to the normal slab tax. Even if total income is under ₹7 Lakhs, tax on STCG 111A and LTCG 112A cannot be offset by 87A, resulting in net assessed tax and automatic Section 143(1) demand notices.

Rule 4 • Section 115BAC Proviso

Marginal Relief Beyond ₹7 Lakhs

If your taxable income slightly crosses ₹7,00,000, your total tax liability is statutorily capped so that it does not exceed the excess income earned above ₹7,00,000. Marginal relief ensures you never pay more incremental tax than your incremental earnings.

Rule 5 • Sections 234B & 234C

Mandatory Interest on Tax Demands

When the CPC generates a demand notice for unpaid capital gains tax exceeding ₹10,000, Section 234C levies 1% per month for deferment of advance tax, and Section 234B levies 1% per month from April 1 of the assessment year till the date of intimation processing.

Worked Example: ₹6.75 Lakhs Salary + ₹50,000 STCG Demand Notice Case Study

The Scenario: Rohit earned ₹6,75,000 gross salary in FY 2024-25 (AY 2025-26) and made ₹50,000 Short-Term Capital Gains (STCG u/s 111A) from trading equity mutual funds. When filing on a popular tax portal, his tax was computed as ₹0. Four months later, he received a Section 143(1) intimation demanding ₹11,149.

Calculation StepRohit's Portal EstimateOfficial CPC AssessmentWhy the Discrepancy Occurred
Gross Salary₹6,75,000₹6,75,000Agreed salary reported in Form 16
Standard Deduction₹75,000₹75,000Finance Act 2024 enhanced standard deduction
Normal Taxable Income₹6,00,000₹6,00,000Taxable under Section 115BAC slabs
STCG u/s 111A₹50,000₹50,000Taxed at flat 20% special rate
Total Taxable Income₹6,50,000₹6,50,000Both recognize income is under ₹7,00,000
Normal Slab Tax₹15,000₹15,00,0005% of (₹6L - ₹3L)
STCG 111A Tax (20%)₹10,000₹10,00020% of ₹50,000
Total Base Tax₹25,000₹25,000₹15,000 normal + ₹10,000 special rate
Section 87A Rebate₹25,000 (Full 100%)₹15,000 (Capped to Normal)CPC denied ₹10,000 rebate against STCG 111A!
Assessed Tax + 4% Cess₹0₹10,400₹10,000 tax + ₹400 Health & Education Cess
Interest u/s 234B & 234C₹0₹749Default in advance tax payment + deferment
Final Demand Notice Amount₹0 (Promised)₹11,149Surprise demand of ₹11,149 issued under Section 143(1)!
How to Handle a Section 143(1) Demand Notice for 87A Disallowance

Option A: Pay the Demand

If your return genuinely had STCG u/s 111A or LTCG u/s 112A, the CPC algorithm will continue rejecting the 87A rebate. To stop the 1% monthly interest under Section 234B from multiplying, paying via Challan ITNS 280 (Tax on Regular Assessment - Minor Head 400) is the safest route.

Option B: Rectification u/s 154

If you had no special-rate capital gains and the 87A rebate was mistakenly disallowed due to a portal data mismatch or payroll discrepancy, log in to the e-Filing portal, navigate to Services > Rectification, and select "Reprocess the Return".

Option C: File an Appeal

Several legal experts argue that prior to explicit statutory amendments, Section 87A did not explicitly bar STCG 111A. If you choose to contest the demand, you must file a formal electronic appeal in Form 35 before the CIT (Appeals) within 30 days of receiving the 143(1) intimation.

Related Tax & Capital Gains Calculators

Section 87A & Capital Gains FAQs (English & हिंदी)

Clear answers to common questions in your preferred language.

Third-party filing software and payroll Form 16 applied the ₹25,000 Section 87A rebate against total tax. The CPC utility processes special-rate taxes (Section 111A at 20% and Section 112A at 12.5%) separately and disallows 87A rebate against them, creating an unexpected tax demand plus interest.

Frequently Asked Questions on Section 87A & CPC Demand Notices

Why did the Income Tax CPC disallow Section 87A rebate on STCG (Section 111A) in my return?

Under the New Tax Regime, the Income Tax Department Central Processing Centre (CPC) automated utility strictly interprets Section 87A to apply only against tax computed on normal slab income (salary, business, interest). Because Section 111A taxes short-term equity gains at a special flat rate of 20%, the CPC backend system refuses to offset this tax with the Section 87A rebate, generating a Section 143(1) demand notice with interest under Sections 234B and 234C.

Can resident individuals adjust unexhausted basic exemption against special rate capital gains?

Yes. Under the provisos to Section 111A, Section 112, and Section 112A, a resident individual whose normal taxable income (after standard deduction) is below the basic exemption limit (₹3,00,000 under the New Tax Regime or ₹2,50,000 under the Old Tax Regime) is legally entitled to reduce their special-rate capital gains by the unexhausted balance. This adjustment happens before computing tax on capital gains.

Is Section 87A rebate legally barred on Long-Term Capital Gains under Section 112A?

Yes. Sub-section (6) of Section 112A of the Income Tax Act explicitly states that rebate under Section 87A shall not be allowed on capital gains computed under Section 112A. Any LTCG on listed equities or equity mutual funds exceeding the ₹1,25,000 annual exemption is taxed at 12.5% without any Section 87A offset, regardless of your total income.

How does marginal relief work under the New Tax Regime if my income is slightly above ₹7 Lakhs?

Under the proviso to Section 115BAC introduced by the Finance Act 2023, if your total taxable income marginally exceeds ₹7,00,000, the total income tax payable cannot exceed the amount by which your income exceeds ₹7,00,000. For instance, if your taxable income is ₹7,05,000 (₹5,000 excess), your tax before cess is capped at exactly ₹5,000, preventing a sudden tax cliff.

What should I do if I receive a Section 143(1) intimation demanding tax due to 87A disallowance?

You have three legal recourses: (1) If your return had zero special-rate capital gains and the disallowance was a portal processing glitch, submit a Rectification Request under Section 154 for reprocessing. (2) If you had STCG u/s 111A and want to avoid escalating interest, pay the assessed demand under Challan ITNS 280. (3) If you wish to challenge the CPC interpretation based on favorable ITAT rulings, file a formal appeal before the Commissioner of Income Tax (Appeals) within 30 days of the intimation.