Section 439(1) in Greater Hyderabad Municipal Corporation Act, 1955
(1)Notwithstanding anything contained in sections 437 and 438, if in any case it appears to the Commissioner that public improvements, which may render necessary the acquisition of the site of any building or work or any part of such site, are desirable and expedient, he may by order in writing direct that no further action shall be taken in pursuance of a notice given under section 428 or section 433 for a period not exceeding three months from the date of such notice.