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Indian Market, Regulation & Taxation

Indexation Benefit

An adjustment that raises an asset's cost of acquisition for inflation before computing a long-term capital gain.

Formula Indexed Cost = Cost of Acquisition x (Cost Inflation Index of the Year of Sale / Cost Inflation Index of the Year of Purchase)
Unit

In depth

Indexation exists because taxing a purely inflationary gain taxes no real profit at all — an asset that merely kept pace with prices produced no economic gain. It has never applied to listed equity, which uses a flat concessional rate instead, and the July 2024 amendments withdrew it for most other asset classes while lowering the applicable rate, with a limited grandfathering option for property acquired earlier. Debt mutual funds lost indexation in April 2023, when their gains moved to slab-rate taxation regardless of holding period. Because the rules changed twice in two years, the treatment applicable to the specific asset and transfer date must be checked rather than assumed.

Worked example

A ₹10,00,000 cost with the index rising from 289 to 363 gives an indexed cost of 10,00,000 x 363 / 289 = ₹12,56,055. A ₹15,00,000 sale is a gain of ₹2,43,945 rather than ₹5,00,000.

Illustrative figures, chosen so the arithmetic is easy to follow. Not a live price and not a valuation of any company.

Educational reference only

This entry explains what “Indexation Benefit” means. It is not investment advice and not a recommendation to buy or sell any security. Any numbers above are illustrative, not live prices, and nothing here predicts price direction or rates a stock. Consider your own circumstances and consult a SEBI-registered investment adviser before acting.