Duties of officers.

It shall be the duty of the Collector of the district and the Mamlatdar of every taluka, upon expiry of a period of 180 days from the date of coming into force of this Act, to identify such Constructions which are unauthorized or any part of it which is unauthorized and have not applied for regularisation within the said period and direct the competent authorities under the relevant Acts to take immediate action for demolition of such unauthorized constructions.