The Aircraft Act provides that in the interest of the safety of aircraft operations, if the Central Government decides to regulate construction, erection, or planting within a specified radius from the aerodrome reference point, what actions can it take according to the given provisions as laid down under section 9A of the Act?

Direct the demolition of existing buildings and structures within the specified radius, Explanation: Section 9A. Power of Central Government to prohibit or regulate construction of buildings, planting of trees, etc. --(1) If the Central Government is of opinion that it is necessary or expedient so to do for the safety of aircraft operations, it may, by notification in the Official Gazette,: (i) direct that no building or structure shall be constructed or erected, or no tree shall be planted on any land within such radius, not exceeding twenty kilometres from the aerodrome reference point, as may be specified in the notification and where there is any building, structure or tree on such land, also direct the owner or the person having control of such building, structure or tree to demolish such building or structure or, as the case may be, to cut such tree within such period as may be specified in the notification.