9. Notwithstanding anything contained in any other law for the time being in force or in section 8, the Board may require any local authority or Government agency within whose jurisdiction any area covered by any project or scheme approved under section 8 lies to execute the project or scheme, or any portion thereof, in consultation with the Board, and the expenditure incurred on the execution of any such project or scheme or portion thereof shall be borne as may be agreed to between the Board and the local authority or Government agency or, in the event of disagreement, as may be determined by the Government.