MarketsLiveMint MoneyJun 21, 2026· 1 min read
Capital Gains Tax Exemption for Under-Construction Property: Key Considerations

Section 54 of India's Income Tax Act permits capital gains tax exemption for reinvestment into under-construction residential properties, subject to strict timelines. This provision offers a tax-saving mechanism for individuals and supports demand within the real estate sector.
Indian taxpayers realizing capital gains from the sale of a long-term capital asset, such as a residential property, may seek to mitigate their tax liability by reinvesting these gains. Section 54 of the Income Tax Act allows for an exemption if the capital gains are utilized to purchase or construct a new residential property. A critical aspect of this provision is its applicability to under-construction properties.
Under current regulations, investing capital gains into an under-construction residential property is permissible for claiming the Section 54 exemption. This offers a viable avenue for taxpayers to defer or eliminate capital gains tax, provided they adhere to specific timelines set forth by the tax authorities. The exemption is primarily aimed at encouraging housing investment and facilitating asset reallocation for individuals.
To qualify for the exemption, the new property must be purchased one year before or two years after the date of sale of the original asset. In the case of construction, the completion period extends to three years after the date of sale. Furthermore, if the capital gains are not immediately reinvested, they must be deposited into a Capital Gains Account Scheme (CGAS) with a nationalized bank before the due date for filing the income tax return. Failure to deposit the funds into CGAS within the stipulated timeframe will result in the gains becoming taxable in the year of the original asset's sale.
The economic implication of this provision is multi-faceted. It supports the real estate sector by incentivizing demand for new housing units, including those under development. For individual investors, it provides a crucial tax planning tool, allowing for efficient capital redeployment without immediate tax erosion. However, the strict timelines necessitate careful financial planning and project monitoring, as construction delays could jeopardize the tax benefit.
Analyst's Take
While seemingly straightforward, the stringency of the Section 54 timelines for under-construction properties introduces significant market risk for taxpayers, particularly concerning project delivery. Developers' financial health and regulatory approvals, often overlooked, become critical due to the potential for tax liability if construction exceeds the three-year window, effectively shifting some of the construction risk to the investor's tax burden.