Capital gain tax.....

assessee had sold property in the ay 17-18 and deposit the amounts in capital gain scheme. but he has not invest the capital gain . now he want to withdraw the money and close the account. how to tax the capital gain ?

should we tax 3 year i.e. 2021 after sold the property as long term capital gain and taxed @ 15 % and after 3 year @ 1% per month ???