Long range development plans to be approved by Minister

(1) Except in so far as may be allowed by general directions of the Minister, the Authority shall not proceed with the implementation of any long range plans for the development of any prescribed airport except in accordance with the provisions of a scheme made by the Authority and submitted to the Minister and approved by him. (2) For the purposes of this section, “long range plans” means plans– (a) which have been formulated on the basis of statistics compiled in respect of movements of traffic, cargo and passengers within the prescribed airport; and (b) which have been projected to meet estimated requirements for development five years or more after the formulation of such plans. (3) Nothing in sub-section (1) shall be construed as precluding the grant of any authority under section 17(2)(c), or of any lease, sublease or other interest or concession under section 17(2) (d) of the Act, for a period in excess of five years.