The Contractor shall within the series of of contractor: coupes into which the forest area described in Schedule I and hereinafter 279 referred to as "the Concession Area" shall be subdivided as provided in clause 5 and during the periods for extraction there from prescribed in clause 6 and subject to such further conditions, limitations and restrictions as are hereinafter prescribed have the sole right and license to (a) fell the teak trees gridled or marked in that behalf by the officers of the Forest Department in accordance with the directions contained in clause 8 and any naturally dead standing teak trees; (b) convert into logs all such trees all naturally felled teak trees and all felled teak timber left unloged from former operations; and (c) remove all such logs and all logs were left unextracted from former operations: PROVIDED that is any area to which a scheme for concentrated exploitation accordance with any sanctioned working Plan has been applied the Contractor shall have no rights in standing teak trees under five feet six inches in girth measured at breast height from the ground.