Section 3(2)(v) in The Delhi Water Board Act, 1998
(v)The Commissioner of the Municipal Corporation of Delhi, ex-officio. (vi) The Chairperson of the New Delhi Municipal Council, ex-officio. (vii) A member (Water Supply) to be nominated by Government who shall be an engineer, drawing pay in the scale not less than that of a Joint Secretary to the Government of India, having specialised knowledge and experience in the matters relating to water supply.