The Secretary shall have the power to regularise construction or reconstruction addition or alteration of any building or digging of any well or telecommunication tower or any structure or land development or any work, for which permission of the Secretary is necessary under this rule commenced, being carried on completed without obtaining approved plan or in deviation of the approved plan:
Provided that such construction or reconstruction or addition or alteration of any building or digging of any well or telecommunication tower or any structure or land development or any such work shall not be in violation of any of the provisions of the Act or these rules:
Provided further that such power shall not relieve the Secretary of his responsibility in detecting and preventing such work and in taking other actions as per these rules:
Provided also that where the construction or work was commenced, being carried on or completed after the statutory period specified in these rules, such construction or work shall be considered as duly permitted and not one requiring regularization.