Section 175(5) in West Bengal Municipal Corporation Act, 2006
(5)"trunk main" means a main constructed for the purpose of conveying water from a source of supply to a filter or reservoir or from one filter or reservoir to another filter or reservoir or, for the purpose of conveying water in bulk, from one part of the limits of supply to another part of such limits of supply, or for the purpose of giving, or taking, a supply of water in bulk;
