Income-tax Act, 2025, Section 82 (Old Sec 54): Reinvesting long-term capital gains in another residential house.

Section 54 of the Indian Income Tax Act provides Long Term Capital Gains (LTCG) tax exemption when an individual or HUF sells a residential house property and reinvests the capital gain in another residential house. If capital gains do not exceed ₹2 crore, the taxpayer can claim an exemption for investment in two residential houses, but this option can be exercised only once in a lifetime. 
Key Conditions for Section 54: 

i) Eligible asset sold

ii) Investment timeline

The capital gains must be invested in the purchase of a residential house:

Capital Gains Account Scheme (CGAS)

iii) Required investment

iv) Maximum investment

v) Lock-in period


Example:

Suppose:

Then the exemption would be:

  Exemption = min⁡(30 lakh, 25 lakh) = 25 lakh.