Section 209(1) in The New Delhi Municipal Council Act, 1994
(1)The Chairperson may define a line on one or both sides of any public street in accordance with the bye-laws made in this behalf and may, with the previous sanction of the Council, redefine at any time any such regular line:Provided that, before according sanction the Council shall by public notice afford reasonable opportunity to the residents or premises abutting on such public street to make suggestions or objections with respect to the proposed redefined line of the street and shall consider all such suggestions or objections which may be made within one month from the date of the publication of the said notice:Provided further that the regular line of any public street operative under any law in force in any part of New Delhi immediately before the commencement of this Act shall be deemed to be a line defined by the Chairperson under this sub-section.