Section 198(1) in Arunachal Pradesh Municipal Act, 2007
(1)The Chief Municipal Executive Officer/ Municipal Executive Officer, or any other agency authorized by him in this behalf, may carry any municipal drain through, across, or under, any street, or any place laid out as, or intended for, a street or under any cellar or vault, which may be under any street, and, after giving a reasonable notice in writing to the owner or the occupier thereof, into through or under any land whatsoever within the municipal area, or, for the purpose of out-fall or distribution of sewage, outside the municipal area.