“127. Lapsing of reservation.- [(1) If any land reserved, allotted or designated for any purpose specified in any plan under this Act is not acquired by agreement within ten years from the date on which a final Regional plan, or final Development plan comes into force [or, if a declaration under sub-section (2) or (4) of section 126 is not published in the Official Gazette within such period, the owner or any person interested in the land may serve notice, alongwith the documents showing his title or interest in the said land, on the Planning Authority to that effect; and if within twelve months] from the date of the service of such notice, the land is not acquired or no steps as aforesaid are commenced of such notice, the land is not acquired or no steps as aforesaid are commenced for its acquisition, the reservation, allotment or designation shall be deemed to have lapsed, and thereupon the land shall be deemed to be released from such reservation, allotment or designation and shall become available to the