Section 364(1) in Gauhati Municipal Corporation Act, 1971
(1)Where any building or any part thereof is within the regular line of a public street and in the opinion of the Commissioner it is necessary to set back the building or part thereof to the regular line of the street he may by notice serve on the owner in accordance with the provisions of this Act, require him to show cause within the period as may be specified in the notice as to why such building or part thereof along with the land which is within the regular line of the street should not be acquired by the Commissioner on behalf of the Corporation.