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Cost inflation index – What, why and how?

Do you often hear your parents and grandparents talking about how expensive today’s cost of living is? Everything, from food grains to real estate, has grown multifolds today.

The constant change in prices yearly has brought down the purchasing power. This concept of price increase and reduction in money value is called inflation.

The cost inflation index is one of the tools used to mitigate the negative implications of inflation on consumers.

What is the cost inflation index?

CII is an index used to calculate the impact of inflation on asset values and adjust them accordingly.

Inflation influences the current value of assets bought in the past. CII helps to estimate and adjust the differences between the original purchase price and current value.

Why is the cost inflation index necessary?

Capital gains refer to profits earned by selling capital assets.

Section 112 of the Income Tax Act states that long-term capital gains are subject to taxes.

Hence, it is essential to ensure the correct computation of long-term capital gains.

Based on accounting principles, assets are recorded at the book value or the purchasing price. However, the sale of assets takes place at their present value, increasing the gap between the historical purchase price and the inflated current value.

This leads to higher capital gains, thereby increasing the amount of taxes to be paid.

So, the historical price is adjusted based on the cost inflation index. It is then compared against the sale value of assets to arrive at accurate capital gains.

How is the cost inflation index determined?

The Government of India is responsible for publishing the cost inflation index every year on the Income Tax Department’s official website.

The Central Board of Direct Taxes (CBDT), a part of the Ministry of Finance, works with the Indian government to calculate the indices. The government determines the CII, keeping the Consumer Price Index (CPI) as the base value.

CPI represents the rate of inflation in the prices of consumer goods.

Application of CII in different scenarios

CII is used in adjusting the purchase price and improvement costs of assets.

  • Cost inflation index in adjusting the purchase or acquisition cost

For assets purchased after the base year 2001-02:

Cost of acquisition upon indexing = (CI index for the year of sale * cost of acquisition or purchase) / CI index of the year of purchase

For assets purchased before the base year 2001-02:

Cost of acquisition upon indexing = (CI index for the year of sale * cost of acquisition or purchase) / CI index of the base year 2001-02

  • Cost inflation index in adjusting the improvement cost

Improvement cost is the cost spent on adding additional features to the asset to improve its functionalities.

Cost of improvement upon indexing = (CI index for the year of sale * cost of improvement) / CI index of the improvement year

Points to consider while calculating indexed costs for capital gains:

  • Asset improvement costs incurred before 2001 are not considered while indexing. 
  • If an individual inherits an ancestral property through a will, the year of inheriting the property is considered instead of the year of purchase.
  • The Government of India removed the option of indexing debt funds from FY 2023-2024. However, it is still applicable to Sovereign Gold Bonds (SGB) by RBI and capital-indexed bonds.

Examples

Let us now look at a few scenarios to calculate indexed costs:

Mr A purchased a house in the year 2005 for ₹ 15,00,000. He decided to sell the house in 2020. Calculate the acquisition cost after indexing.

CII in the year of purchase = 117

CII in the year of sale = 301

Indexed cost of acquisition = (301 * 15,00,000) / 117

= ₹ 38,58,974

Mr B purchased a site in the year 1990 for ₹3,00,000. He decided to sell it in 2015. Calculate the acquisition cost after indexing.

The initial purchase of the property is before the base year. Hence, we consider CII for the base year instead of the purchasing year.

CII in the base year = 100

CII in the year of sale = 254

Indexed cost = (254 * 3,00,000) / 100

= ₹ 7,62,000

Bottomline

The cost inflation index helps factor in inflation’s impact on costs. Adjusting the purchase price of assets is essential to make a fair comparison against the sale value. The CII is a significant tool that aids in capital gains indexing and helps in saving taxes.

FAQs

What is the cost inflation index for FY 2023-24?

The cost inflation index for 2023-2024 is 348. The number varies each year and can be looked up on the official website of the Income Tax Department.

What is the base year for the CII index?

The base year for CII is FY 1981-1982, with an index value of 100. The CII for every year from there is calculated in accordance with the base year’s values.

What is indexation’s benefit?

Indexation benefit is the process of altering the cost of acquisition to include the component of inflation. This is to bring about a balance between the purchase price and the sale price.

What is the purpose of CII for income tax?

Indexation plays a significant role in computing capital gains while paying income tax. Since capital gains are subject to income tax, it is essential to compute the accurate value by including the inflation factor in the selling price. This helps in an apple-to-apple comparison with the purchase price (Historical cost).

Are CII and CPI the same?

While they both relate to changing prices due to inflation, the consumer price index suggests the level of change and the cost inflation index shows how to incorporate the change while calculating capital gains. The consumer price index is an important factor when calculating the CII value.

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