Section 170(5) in Arunachal Pradesh Municipal Act, 2007
(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, or for the purpose of giving, or taking, a supply of water in bulk;