Section 160(2) in The New Delhi Municipal Council Act, 1994
(2)If, in the case of any premises already supplied with water but not having a separate service pipe, the Chairperson gives notice to the owner of the premises requiring the provision of such a pipe, the owner shall, within three months, lay so much of the required pipe as will constitute a supply pipe and is not required to be laid in a street, and the Chairperson, shall, within fourteen days after the owner has done so, lay so much of the required pipe as will constitute a communication pipe or a supply pipe to be laid in a street and make all necessary communications.