(3)If the State Government has assigned to any person its right over any minerals, mines or quarries and if for the proper enjoyment of such right, it is necessary that all or any of the powers specified in sub-section (1) and (2) should be exercised by such person, the Collector may by an order in writing, subject to such condition and reservations as he may prescribe; delegate such powers to the person to whom the right has been assigned :Provided that no such delegation shall be made until notice has been duly served on all persons having rights in the land effected and their objections have been heard and considered.
