In the Town of Calcutta and its environs, and in any other town or place to which the provisions of this Act may hereafter be extended, by a law to be passed for that purpose, the Oriental Gas Company, Limited, under such superintendence as is hereinafter specified, may open and break up the soil and pavement of the several streets and bridges, and may open and break up any sewers, drains, or tunnels within or under such streets and bridges, and lay down and place within the same limits pipes, conduits, service-pipes, and other works, and from time to time repair, alter, or remove the same, and also make any sewers that may be necessary for carrying off the washings and waste liquids which may arise in the making of the Gas; and, for the purposes aforesaid, may remove and use all earth and materials in and under such streets and bridges; and they may in such streets erect any pillars, lamps, and other works, and do all other acts which the said Company shall from time to time deem necessary for supplying Gas to the inhabitants of the said Town of Calcutta and its environs, or other town or place as aforesaid, doing as little damage as may be in the execution of the powers hereby granted, and making compensation for any damage which may be done in the execution of such powers.