Capital Gains | Indian Income-tax Law | Updated 25 October 2026

Section 50C of the Income-tax Act: Stamp Duty Value and Capital Gains

Section 50C provides a special rule for determining the full value of consideration when a capital asset consisting of land, a building or both is transferred for less than its stamp duty value. The provision protects the capital gains tax base while allowing a tolerance margin and a valuation dispute mechanism.

Meaning and scope of Section 50C

Under Section 50C(1), where an assessee transfers a capital asset being land, building or both and the declared consideration is lower than the amount adopted, assessed or assessable for stamp duty, the stamp duty value can be treated as the deemed full value of consideration for computing capital gains under Section 48.

Stamp valuation authority means the relevant State Government authority that adopts or assesses value for stamp duty. Assessable covers a value the authority would have adopted or assessed had the property been referred to it for stamp duty purposes. The rule applies to capital assets; property held as stock-in-trade is addressed separately by the applicable business-income provisions.

110% tolerance or safe-harbour rule

For the later years to which the amended provision applies, if the stamp duty value does not exceed 110% of the actual sale consideration, the actual consideration is accepted for this purpose. Where the stamp duty value exceeds that threshold, the stamp duty value ordinarily becomes the deemed consideration, subject to the other safeguards in the section.

The 110% tolerance should not be applied retrospectively to all past years: the tolerance was introduced at 105% and later increased. Check the applicable assessment year and statutory amendments for historical transactions.

Agreement date and registration date: the two provisos

Where the date of the agreement fixing the consideration differs from the date of registration, Section 50C allows the stamp duty value on the agreement date to be considered rather than the registration-date value. This is conditional on receipt of at least part of the consideration on or before the agreement date through an account-payee cheque, account-payee bank draft, electronic clearing system through a bank account or another prescribed electronic mode.

Preserve the signed agreement, bank statements, payment confirmation and registration records. The special agreement-date rule is not automatic if the payment-mode condition is not met.

Section 50C(2): challenge to stamp duty valuation

If the seller claims that stamp duty value exceeds the property's fair market value on the transfer date, and the specified conditions concerning separate appeals, revisions or other valuation proceedings are satisfied, the Assessing Officer may refer the matter to a Valuation Officer. The relevant valuation procedure and safeguards apply to the reference.

Section 50C(3): upper limit on the valuation reference

If the value determined on the reference is higher than the stamp duty value, the stamp duty value is used instead. Where the Valuation Officer determines a lower value, the valuation provisions can provide relief in computing deemed consideration. The precise result depends on the statutory procedure and facts.

Worked capital gains example

Assume a land parcel held as a capital asset is sold for Rs. 80,00,000, the relevant stamp duty value is Rs. 94,00,000, and the eligible acquisition cost is Rs. 45,00,000. The 110% threshold is Rs. 88,00,000, so the stamp duty value exceeds the tolerance.

This simplified example excludes transfer expenses, improvement cost, exemptions, valuation-reference adjustments and any applicable special cost or tax-rate rules. The treatment of indexation and rates also depends on the date and circumstances of transfer.

Section 50C and the Income-tax Act, 2025

For tax years governed by the Income-tax Act, 2025, Section 78 is the corresponding provision on deemed full value of consideration for transfer of land or building held as a capital asset. It is read with Section 72 for computation of capital gains. Section 78 retains the 110% tolerance, agreement-date valuation conditions and valuation-reference mechanism.

Do not confuse Section 78 with the separate rule for transfer of land or buildings held as business assets (rather than capital assets). The legal classification of the property matters.

Practical checklist

• Confirm whether the property is a capital asset and identify the governing tax year.
• Obtain the actual consideration, agreement date, registration date and the relevant stamp duty value.
• Check the applicable tolerance percentage and qualifying bank-payment evidence.
• Consider a valuation reference where stamp value materially exceeds fair market value and the legal conditions are met.
• Compute capital gains using the applicable acquisition cost, improvement cost, expenses, exemptions and tax rules.
• Keep copies of the sale deed, agreement, payment proofs, stamp valuation and valuation reports.

Official legal references

• Income Tax Department: Section 50C, Income-tax Act, 1961
• Income Tax Department: Capital gains guidance
• Income Tax Department: Income-tax Act, 2025 (see Section 78)

Frequently asked questions

This article provides general legal information. Actual liability depends on the relevant tax year, transaction documents and statutory exceptions.