General powers for supplying the city with water.

For the purpose of providing

1[Brihan Mumbai] with a supply of water proper and sufficient for public and private purposes, the Commissioner, when authorised by the Corporation in this behalf, may—

1. (a) construct and maintain water-work, either within or without 2[Brihan Mumbai] and do any other necessary acts; 3[(aa) construct and maintain tunnels and undertake other related work, as part of the municipal water-works, below any land, in whomsoever such land may vest for carrying water;]
2. (b) purchase or take on lease any water-work or any water or right to store or to take and convey water, either within or without 4[Brihan Mumbai];
3. (c) enter into an arrangement with any person or a supply of water.