2002 boght apatment for 4.6 lakh and sold for 22 lakh in july 23. How much to be invested in 54ec to avoid capital gain tax Iam sr citizen

Ans: I can't calculate your exact capital gains tax on the land sale as it depends on several factors not mentioned yet. However, I can explain how it's generally calculated in India and provide some guidance:

Factors affecting your capital gains tax:

Holding period: There are two types of capital gains tax on land - long-term capital gains (LTCG) and short-term capital gains (STCG).
LTCG applies if you held the land for more than 24 months. It benefits from an indexation mechanism that adjusts the purchase price for inflation, reducing your taxable gains.
STCG applies if you held the land for 24 months or less. The tax is calculated on the difference between the selling price and the purchase price without indexation.
Purchase price: This is the original price you paid for the land along with any documented improvement costs.
Sale price: This is the amount you received for the land sale minus any selling expenses.
Tax Rates:

LTCG: Currently, LTCG on land is taxed at 20% with indexation. However, you can save tax on LTCG by reinvesting the gains in specific options like new residential property or government bonds under relevant sections of the Income Tax Act.
STCG: STCG on land is taxed at a flat rate of 20% without indexation.
Recommendation:

To determine your exact capital gains tax liability, it's best to consult a chartered accountant (CA) or a tax advisor. They can consider all the factors mentioned above and calculate the tax based on your specific situation. They can also advise you on potential tax saving options available under the Income Tax Act for LTCG.

Ans: You have to invest your long term capital gain in section 54 EC Capital Gain bonds within 6 months of property sale date.

As per rough calculation your indexed cost of acquisition comes to around 32 L, so your long term capital gain will be 41.5-32=9.5 L.

Request you to consult a CA/tax advisor for further help on the matter.