I mean to say the provision of following relevant sec of 54
54EC. Where the capital gain arises from the transfer of a long-term capital asset and the assessee has, at any time within a period of six months after the date of such transfer, invested the whole or any part of capital gains in the long-term specified asset
54F. the capital gain arises from the transfer of any long-term capital asset, not being a residential house and the assessee has, within a period of one year before or two years after the date on which the transfer took place purchased, or has within a period of three years after that date constructed, a residential house (hereafter in this section referred to as the new asset),