Section 366(1) in Gauhati Municipal Corporation Act, 1971
(1)Where a land or building is partly within the regular line of a public street and the Commissioner is satisfied that the land remaining after the inclusion of the portion within the said line will not be suitable or fit for any beneficial use, he may at the request of the owner acquire such land in addition to the land within the said line and such surplus land shall be deemed to be a part of the public street and shall vest in the Corporation.