Public Notice How to Be Made Known.

Every public notice given under this Act or rules or regulations thereunder shall be in writing over the signature of the Secretary to the Regional Board or Planning Authority or Development Authority or such other officer who may be authorised in this behalf by such Board or Authority and shall be widely made known in the locality to be affected thereby, affixing copies thereof in conspicuous public places within the said locality and by publishing the same by beat of drum or by advertisement in one or more local newspapers, and by such other means which the Secretary thinks fit.