Section 184(3)(a) in Arunachal Pradesh Municipal Act, 2007
(a)by notice, in writing, require the owner or the other person, who has done such work to fill up or demolish such work, within such time as may be specified in the notice, and if the work of filling up or demolition is not done within the time so specified, cause the work to be done and realize the expenses therefore from the owner or the person to whom such notice was given, or