Section 21(1)(b) in Arunachal Pradesh Urban and Country Planning Act, 2007
(b)If at any time the state Government/ State Urban and Country Planning Board is satisfied that the Local Planning Authority is not taking steps necessary to prepare such a development plan with in that period, the State Government/ State Urban and Country Planning Board may direct the Director of Town Planning/ Chief Town Planner, of Town Planning, to prepare the development plan by itself or by hiring Professionals/Experts/ Consultants in the field as per rules.