Public notice how to be made known.

Every public notice given under this Act, shall be in writing over the signature of the Secretary to the Authority or any other officer authorised by him in this behalf and shall be widely made known in the locality to be affected thereby by affixing copies thereof in conspicuous public places within the said locality, or by publishing the same by beat of drum or by advertisement in local news paper or by any two or more of these means, and by any other means that the Secretary may think fit.